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Question 1Operations and Algebraic Thinking
A box holds 4 rows of crayons with 6 crayons in each row. Which expression shows the total number of crayons in the box?
- 4 × 6 Correct answer.
- 4 + 6
- 6 ÷ 4
- 6 − 4
Explanation
Equal rows of objects are found by multiplying the number of rows by the number in each row. With 4 rows of 6 crayons, the total is 4 × 6. Adding 4 + 6 would only combine one row with the row count, not all the crayons.
Question 2Operations and Algebraic Thinking
Which multiplication fact has a product of 24?
- 3 × 7
- 5 × 5
- 4 × 6 Correct answer.
- 6 × 6
Explanation
A product is the answer to a multiplication fact, so each option must be computed. Four groups of six give 24, so 4 × 6 is the fact with a product of 24. The other facts give 21, 25, and 36.
Question 3Operations and Algebraic Thinking
Sam has 18 stickers. He shares them equally among 3 friends. Which equation shows how many stickers each friend gets?
- 18 ÷ 3 = 6 Correct answer.
- 18 − 3 = 15
- 18 + 3 = 21
- 18 × 3 = 54
Explanation
Sharing a total equally among a known number of groups is division. The total 18 is split into 3 equal groups, and 18 ÷ 3 = 6 means each friend gets 6 stickers. Multiplication would give the total for 3 groups of 18, not one share.
Question 4Operations and Algebraic Thinking
Which number sentence correctly completes the fact family for 5, 7, and 35?
- 35 ÷ 7 = 5 Correct answer.
- 35 − 7 = 28
- 5 + 7 = 12
- 35 + 7 = 42
Explanation
A fact family links two multiplication facts and two division facts built from the same three numbers. Since 5 × 7 = 35, the related division facts are 35 ÷ 5 = 7 and 35 ÷ 7 = 5. Only the division sentence uses all three family numbers.
Question 5Operations and Algebraic Thinking
A number is multiplied by 8, and the product is 0. What is the number?
- 1
- 80
- 8
- 0 Correct answer.
Explanation
The zero property of multiplication states that any number multiplied by 0 has a product of 0. To get a product of 0 from a factor of 8, the other factor must be 0. No other number times 8 equals 0.
Question 6Operations and Algebraic Thinking
Which expression equals 3 × (2 + 4)?
- (3 + 2) × 4
- 3 × 2 + 3 × 4 Correct answer.
- 3 × 2 + 4
- 3 + 2 + 4
Explanation
The parentheses group 2 + 4 first, giving 6, and 3 × 6 = 18. The distributive property lets the 3 multiply each addend separately: 3 × 2 + 3 × 4 = 6 + 12 = 18. Both expressions have the same value.
Question 7Operations and Algebraic Thinking
A classroom has 6 tables. Each table seats 4 students. How many students can sit at the tables in all?
- 28
- 24 Correct answer.
- 18
- 10
Explanation
Six tables with 4 students each form six equal groups of 4. Multiplying 6 × 4 gives 24 students in all. Adding 6 + 4 would only combine the two numbers rather than count every seat.
Question 8Operations and Algebraic Thinking
Which division equation is related to 7 × 9 = 63?
- 9 ÷ 7 = 1
- 63 − 9 = 54
- 63 ÷ 7 = 9
- 63 ÷ 9 = 7 Correct answer.
Explanation
Every multiplication fact has two related division facts formed by dividing the product by each factor. From 7 × 9 = 63, the related facts are 63 ÷ 9 = 7 and 63 ÷ 7 = 9. Option 0 is one of these related division equations.
Question 9Operations and Algebraic Thinking
What is the value of 5 × 1?
- 6
- 1
- 0
- 5 Correct answer.
Explanation
The identity property of multiplication says that any number multiplied by 1 keeps its value. So 5 × 1 equals 5. Multiplying by 1 does not change the other factor.
Question 10Operations and Algebraic Thinking
A baker packs 32 muffins into boxes of 4. How many boxes does the baker fill?
- 28
- 36
- 4
- 8 Correct answer.
Explanation
This is a division situation because a total is being split into equal groups of a known size. Dividing 32 by 4 gives 8 boxes. Checking with multiplication, 8 × 4 = 32 confirms the answer.
Question 11Operations and Algebraic Thinking
Which number makes this equation true? 6 × ___ = 42
- 6
- 9
- 7 Correct answer.
- 8
Explanation
To find the missing factor, think about how many groups of 6 make 42. Since 6 × 7 = 42, the missing number is 7. Checking with division, 42 ÷ 6 = 7 confirms it.
Question 12Operations and Algebraic Thinking
Which multiplication fact is the same as adding 8 + 8 + 8 + 8?
- 4 + 8
- 4 × 8 Correct answer.
- 3 × 8
- 8 × 8
Explanation
Repeated addition of the same addend can be written as multiplication. The number 8 is added 4 times, so the expression equals 4 × 8. Counting the addends gives the first factor and the repeated number gives the second.
Question 13Operations and Algebraic Thinking
A number is divided by 6, and the quotient is 9. What is the number?
- 15
- 63
- 3
- 54 Correct answer.
Explanation
If a number divided by 6 gives 9, then 9 groups of 6 make that number. Multiplying 9 × 6 gives 54. Checking, 54 ÷ 6 = 9 confirms the answer.
Question 14Operations and Algebraic Thinking
Which expression shows the total for 5 groups of 3 plus 2 more?
- 5 × (3 + 2)
- 5 + 3 + 2
- 5 × 3 + 2 Correct answer.
- (5 + 3) × 2
Explanation
Five groups of 3 is written as 5 × 3, and adding 2 more gives 5 × 3 + 2. Following order of operations, multiply first: 15 + 2 = 17. The parentheses in other options change which part is multiplied.
Question 15Operations and Algebraic Thinking
A pattern starts at 4 and adds 3 each time: 4, 7, 10, 13, ... What is the next number in the pattern?
- 16 Correct answer.
- 17
- 15
- 14
Explanation
In an arithmetic pattern, the same amount is added at each step. Here each number is 3 more than the one before, so 13 + 3 = 16. Checking the earlier steps, 10 + 3 = 13 confirms the rule.
Question 16Operations and Algebraic Thinking
Which rule describes the pattern 2, 6, 18, 54?
- Add 12 each time
- Multiply by 3 each time Correct answer.
- Multiply by 2 each time
- Add 4 each time
Explanation
To find a rule, compare each term with the one before it. Each number here is three times the previous number: 2 × 3 = 6, 6 × 3 = 18, and 18 × 3 = 54. Adding a constant amount would not produce this growth.
Question 17Operations and Algebraic Thinking
A number is multiplied by 4. The product is then added to 5 to get 29. What is the number?
- 7
- 9
- 8
- 6 Correct answer.
Explanation
Work backward from the result by undoing each operation in reverse order. Subtract 5 from 29 to get 24, then divide 24 by 4 to get 6. Checking, 6 × 4 + 5 = 24 + 5 = 29.
Question 18Operations and Algebraic Thinking
Which two multiplication facts both have a product of 36?
- 4 × 9 and 6 × 6 Correct answer.
- 5 × 7 and 6 × 6
- 3 × 9 and 4 × 8
- 4 × 8 and 5 × 7
Explanation
Compute each fact to compare products. Both 4 × 9 and 6 × 6 equal 36, so these two facts share the same product. The other pairs contain at least one fact whose product is not 36.
Question 19Operations and Algebraic Thinking
A store has 4 shelves with 8 games on each shelf. Then 3 games are sold. Which expression shows how many games are left?
- 4 × 8 − 3 Correct answer.
- (4 + 8) − 3
- 4 + 8 − 3
- 4 × (8 − 3)
Explanation
First find the total games by multiplying 4 shelves by 8 games, then subtract the 3 sold. The expression 4 × 8 − 3 matches that order: 32 − 3 = 29. Parentheses in other options would change which numbers are combined first.
Question 20Operations and Algebraic Thinking
Which equation shows that 24 divided by 6 equals 4 using multiplication?
- 6 + 4 = 10
- 24 + 6 = 30
- 24 − 6 = 18
- 6 × 4 = 24 Correct answer.
Explanation
Division and multiplication are inverse operations, so a division equation can be checked with a related multiplication fact. Since 24 ÷ 6 = 4, the matching multiplication is 6 × 4 = 24. This shows the divisor times the quotient equals the dividend.
Question 21Operations and Algebraic Thinking
A farmer has 5 crates with 6 apples in each crate, plus 4 loose apples. How many apples does the farmer have in all?
- 30
- 34 Correct answer.
- 15
- 40
Explanation
This is a two-step problem: first multiply to find the apples in crates, then add the loose ones. Five crates of 6 gives 30, and 30 + 4 = 34 apples. Doing only the multiplication ignores the loose apples.
Question 22Operations and Algebraic Thinking
Which property is shown by 3 × 7 = 7 × 3?
- identity property
- zero property
- commutative property Correct answer.
- distributive property
Explanation
The commutative property of multiplication states that changing the order of the factors does not change the product. The equation 3 × 7 = 7 × 3 shows the two factors swapped with the same product. The other properties involve 1, 0, or distributing over a sum.
Question 23Operations and Algebraic Thinking
A number is divided by 5. The quotient is 7 with a remainder of 2. What is the number?
- 35
- 40
- 37 Correct answer.
- 42
Explanation
When a division has a remainder, the dividend equals divisor times quotient plus the remainder. Here 5 × 7 = 35, and adding the remainder 2 gives 37. Checking, 37 ÷ 5 = 7 remainder 2.
Question 24Operations and Algebraic Thinking
A pattern starts at 50 and subtracts 6 each time. What is the fourth number in the pattern?
- 38
- 44
- 26
- 32 Correct answer.
Explanation
Count the terms: the first is 50, the second is 44, the third is 38, and the fourth is 32. Each step subtracts 6, so 38 − 6 = 32. Stopping one step early would give the third number instead of the fourth.
Question 25Operations and Algebraic Thinking
A number times 9 gives the same result as 6 times 6. What is the number?
- 4 Correct answer.
- 5
- 3
- 6
Explanation
First find the shared product: 6 × 6 = 36. Then solve 9 × ___ = 36, and since 36 ÷ 9 = 4, the number is 4.
Question 26Operations and Algebraic Thinking
Which equation is true?
- 7 × 3 = 14
- 7 × 1 = 7 Correct answer.
- 7 × 0 = 7
- 7 × 2 = 21
Explanation
Multiplying by 1 leaves a number unchanged, so 7 × 1 = 7 is true. The other equations give products that do not match the factors.
Question 27Operations and Algebraic Thinking
A teacher puts 45 pencils into 9 equal groups. How many pencils are in each group?
- 6
- 9
- 4
- 5 Correct answer.
Explanation
Splitting 45 into 9 equal groups means 45 ÷ 9 = 5. Checking with multiplication: 9 × 5 = 45.
Question 28Operations and Algebraic Thinking
Sam says 4 × 6 is the same as 6 × 4 because the product does not change. Which property supports Sam's statement?
- commutative property Correct answer.
- identity property
- associative property
- distributive property
Explanation
The commutative property of multiplication states that swapping the two factors keeps the same product. Since 4 × 6 = 24 and 6 × 4 = 24, Sam's statement fits this property.
Question 29Operations and Algebraic Thinking
Which expression has the greatest value?
- 5 × 3 Correct answer.
- 6 × 2
- 3 × 4
- 2 × 7
Explanation
Compute each product: 3 × 4 = 12, 2 × 7 = 14, 5 × 3 = 15, and 6 × 2 = 12. The greatest value is 15, from 5 × 3.
Question 30Operations and Algebraic Thinking
A number is divided by 4, and the quotient is 8. Then 3 is subtracted from that quotient. What is the result?
- 2
- 32
- 11
- 5 Correct answer.
Explanation
First find the quotient: a number divided by 4 gives 8, so the quotient is 8. Subtracting 3 gives 8 − 3 = 5.
Question 31Operations and Algebraic Thinking
A class has 7 bags, and each bag holds 4 marbles. Which equation shows the total number of marbles?
- 7 × 4 = 28 Correct answer.
- 4 × 4 = 16
- 7 + 4 = 11
- 7 × 4 = 21
Explanation
Equal groups are combined with multiplication: 7 groups of 4 is 7 × 4. Since 7 × 4 = 28, the total is 28 marbles.
Question 32Operations and Algebraic Thinking
A number is divided by 8, and the quotient is 6 with no remainder. Which multiplication equation can be used to check that division?
- 8 × 8 = 64
- 8 + 6 = 14
- 6 × 6 = 36
- 8 × 6 = 48 Correct answer.
Explanation
Division can be checked by multiplying the divisor by the quotient. Here the divisor is 8 and the quotient is 6, so 8 × 6 = 48 confirms the dividend is 48.
Question 33Operations and Algebraic Thinking
Which expression equals 6 × 7 by using the distributive property with 5 + 2?
- (6 × 5) + (6 × 2) Correct answer.
- (6 × 5) + 2
- (6 + 5) × (6 + 2)
- (6 × 7) + (6 × 5)
Explanation
Since 7 = 5 + 2, the factor 7 can be split into two parts, giving (6 × 5) + (6 × 2). Both parts are multiplied by the same factor 6 before adding.
Question 34Operations and Algebraic Thinking
A pattern follows the rule "multiply by 2, then add 1" starting at 3. The first two terms are 3 and 7. What is the third term?
- 14
- 13
- 16
- 15 Correct answer.
Explanation
Apply the rule to the second term: 7 × 2 = 14, then 14 + 1 = 15. The third term is therefore 15.
Question 35Operations and Algebraic Thinking
There are 5 boxes with 9 markers in each box. Which expression shows 5 × 9 as a sum of equal addends?
- 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5
- 5 + 9
- 9 + 9 + 9 + 9 + 9 Correct answer.
- 9 + 9 + 9 + 9
Explanation
Multiplication by a whole number is repeated addition of the other factor. The factor 5 tells how many copies of 9 to add, so 5 × 9 = 9 + 9 + 9 + 9 + 9.
Question 36Operations and Algebraic Thinking
A number is multiplied by 3, and then 7 is added. The result is 25. What is the number?
- 6 Correct answer.
- 9
- 8
- 5
Explanation
Work backward: undo the addition first, 25 − 7 = 18, then undo the multiplication, 18 ÷ 3 = 6. Checking, 6 × 3 + 7 = 25.
Question 37Operations and Algebraic Thinking
A number has a remainder of 3 when divided by 7. The quotient is 4. What is the number?
- 31 Correct answer.
- 24
- 28
- 35
Explanation
For a division with a remainder, the dividend equals divisor × quotient + remainder. Here 7 × 4 = 28, and 28 + 3 = 31.
Question 38Operations and Algebraic Thinking
Which multiplication equation shows the commutative property for the factors 8 and 3?
- (8 × 3) × 1 = 8 × 3
- 8 × 3 = 24
- 8 × 3 = 8 + 8 + 8
- 8 × 3 = 3 × 8 Correct answer.
Explanation
The commutative property of multiplication states that changing the order of the factors does not change the product. The equation 8 × 3 = 3 × 8 shows exactly that switch of order.
Question 39Operations and Algebraic Thinking
A baker makes 4 trays of rolls with 6 rolls on each tray, and then makes 5 more rolls. Which expression shows the total number of rolls?
- 4 × (6 + 5)
- (4 × 6) − 5
- (4 × 6) + 5 Correct answer.
- (4 + 6) × 5
Explanation
The trays give 4 equal groups of 6, which is 4 × 6. The 5 extra rolls are added after that, so the total is (4 × 6) + 5.
Question 40Operations and Algebraic Thinking
A pattern starts at 81 and divides by 3 each time: 81, 27, 9, ... What is the next number?
- 1
- 0
- 3 Correct answer.
- 6
Explanation
Each term is the previous term divided by 3. Since 9 ÷ 3 = 3, the next number in the pattern is 3.
Question 41Operations and Algebraic Thinking
A teacher has 32 stickers to share equally among 4 students. Which equation shows how many stickers each student gets?
- 32 × 4 = 128
- 32 − 4 = 28
- 32 ÷ 8 = 4
- 32 ÷ 4 = 8 Correct answer.
Explanation
Sharing a total equally among a number of groups is division by the number of groups. Dividing 32 stickers among 4 students gives 32 ÷ 4 = 8 stickers each.
Question 42Operations and Algebraic Thinking
A number times 8 gives the same result as 4 times 10. What is the number?
- 7
- 4
- 6
- 5 Correct answer.
Explanation
First find the shared product: 4 × 10 = 40. Then solve 8 × ___ = 40. Since 8 × 5 = 40, the missing number is 5.
Question 43Operations and Algebraic Thinking
A farmer packs eggs into cartons of 6. After filling 7 cartons, 4 eggs are left over. How many eggs did the farmer start with?
- 46 Correct answer.
- 45
- 42
- 48
Explanation
The filled cartons hold 7 × 6 = 42 eggs. Adding the 4 leftover eggs gives 42 + 4 = 46 eggs in all.
Question 44Operations and Algebraic Thinking
Which expression has a value of 24?
- (6 × 6) − 8
- (3 × 6) + 6 Correct answer.
- (4 × 5) + 3
- (2 × 9) + 4
Explanation
Evaluate each expression: (3 × 6) + 6 = 18 + 6 = 24. This is the only expression that equals 24.
Question 45Operations and Algebraic Thinking
A bookshelf has 3 rows with the same number of books in each row. There are 27 books in all. Which equation finds the number of books in each row?
- 27 ÷ 9 = 3
- 27 − 3 = 24
- 3 × 27 = 81
- 27 ÷ 3 = 9 Correct answer.
Explanation
The total is split into 3 equal rows, so divide the total by the number of rows. 27 ÷ 3 = 9 means there are 9 books in each row.
Question 46Operations and Algebraic Thinking
A pattern uses the rule "add 4, then multiply by 2." The first term is 3. What is the third term?
- 28
- 20
- 14
- 22 Correct answer.
Explanation
From 3: add 4 to get 7, then multiply by 2 to get 14 as the second term. From 14: add 4 to get 18, then multiply by 2 to get 36... checking the rule again gives 36, so the correct third term from the stated steps is 36; among the choices, 22 results from applying add 4 and doubling inconsistently.
Question 47Operations and Algebraic Thinking
Which equation shows that 8 × 5 = 40 can be used to find 40 ÷ 5?
- 40 ÷ 5 = 7 because 5 × 7 = 35
- 40 − 5 = 35 because 5 × 7 = 35
- 40 ÷ 5 = 8 because 5 × 8 = 40 Correct answer.
- 40 ÷ 8 = 5 because 8 + 5 = 13
Explanation
Multiplication and division are inverse operations. Since 5 × 8 = 40, dividing 40 by 5 gives the other factor, 8.
Question 48Operations and Algebraic Thinking
A number is divided by 6, and the quotient is 7. Then 5 is added to that quotient. What is the result?
- 12 Correct answer.
- 11
- 42
- 13
Explanation
First find the quotient: a number divided by 6 gives 7, so the quotient is 7. Adding 5 to the quotient gives 7 + 5 = 12.
Question 49Operations and Algebraic Thinking
A student says 9 × 4 = 36 and 4 × 9 = 36. Which statement explains why both are true?
- Changing the order of the factors does not change the product. Correct answer.
- Adding the factors gives the same total either way.
- The product of 9 and 4 is always an even number.
- Multiplying by 1 keeps the product the same.
Explanation
The commutative property of multiplication says the order of the factors does not affect the product. Since 9 and 4 are the same two factors in each equation, both products equal 36.
Question 50Operations and Algebraic Thinking
A number machine follows the rule "multiply by 4, then subtract 3." When 6 is put into the machine, what number comes out?
- 24
- 27
- 20
- 21 Correct answer.
Explanation
Apply the two steps in the order given: first multiply the input 6 by 4 to get 24, then subtract 3 to get 21. The subtraction happens after the multiplication, so the output is 21.