ISEE Primary 2 study materials
ISEE Primary 2 study resources

ISEE Primary 2 key terms

ISEE Primary 2 · Get comfortable with the vocabulary.

letter

A single written symbol, such as b or M, that stands for a sound in a word. Words are built by putting letters in order.

Related: word, sound
word

A group of letters with a meaning that can be read and spoken on its own, like cat, jump, or happy.

Related: letter, sentence
sentence

A group of words that tells a complete idea. It begins with a capital letter and ends with a period, question mark, or exclamation point.

Related: word, punctuation
punctuation

Marks such as periods, question marks, commas, and exclamation points that show where ideas stop, pause, or ask something in writing.

Related: period, question mark, sentence
period

A small dot placed at the end of a telling sentence to show the thought is finished, as in 'The dog ran fast.'

Related: punctuation, question mark
question mark

The mark ? used at the end of a sentence that asks something, such as 'Where is my hat?'

Related: punctuation, period
capital letter

The large form of a letter, like A or B. It starts every sentence and begins the names of people, places, and pets.

Related: letter, sentence
sound

The spoken part of a word that you hear. Letters and letter pairs stand for sounds, and blending sounds makes words.

Related: letter, rhyme
rhyme

When two words end with the same sound, like cat and hat or moon and spoon. Rhyming words are often used in poems.

Related: sound, poem
poem

A piece of writing arranged in short lines that often rhymes and uses careful, colorful words to share a feeling or picture.

Related: rhyme, story
story

Writing that tells about people, animals, or events, with a beginning, a middle, and an end.

Related: character, setting, poem
character

A person or animal that takes part in a story. Readers learn about a character by what the character says and does.

Related: story, setting
setting

The place and time where a story happens, such as a farm in the morning or a city long ago.

Related: story, character
main idea

The most important point a short passage is about. Everything else in the passage helps explain or support it.

Related: detail, passage
detail

A small piece of information in a passage, such as a name, number, or fact, that helps answer questions about what was read.

Related: main idea, passage
passage

A short piece of writing that a reader reads and then answers questions about. It may be a story or a short article.

Related: main idea, detail
picture clue

An image in a book that helps a reader figure out a word or understand what is happening in the text.

Related: passage, main idea
opposite

A word that means the reverse of another word, such as hot and cold or up and down.

Related: same meaning
same meaning

When two different words tell about the same idea, such as big and large or happy and glad.

Related: opposite
number

A symbol or word that tells how many or which one, such as 7, twelve, or first. Numbers are used to count and compare.

Related: count, digit
count

To say the numbers in order while pointing to each object once, so you find out how many there are in all.

Related: number, digit
digit

Any one of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9. Digits are put together to write larger numbers.

Related: number, place value
place value

The value a digit has because of where it sits in a number. In 34, the 3 means three tens and the 4 means four ones.

Related: digit, tens
tens

Groups of ten. In a two-digit number like 52, the 5 stands for five groups of ten, which is fifty.

Related: place value, ones
ones

The single items left after making groups of ten. In 52, the 2 is in the ones place and means two single ones.

Related: tens, place value
add

To put two or more groups together to find the total. Adding 3 and 4 gives 7.

Related: subtract, sum
subtract

To take one amount away from another to find what is left or the difference. Subtracting 2 from 6 leaves 4.

Related: add, difference
sum

The answer you get when you add numbers together. The sum of 5 and 3 is 8.

Related: add, difference
difference

The answer you get when you subtract one number from another, or how much larger one number is than another.

Related: subtract, sum
equal sign

The symbol = placed between two amounts to show they are the same, as in 4 + 1 = 5.

Related: sum, number sentence
number sentence

A math statement written with numbers and signs, such as 6 - 2 = 4, that shows a complete idea about amounts.

Related: equal sign, add
even number

A number that can be split into two equal groups with nothing left over, such as 2, 4, 6, 8, or 10.

Related: odd number, count
odd number

A number that cannot be split into two equal groups without one left over, such as 1, 3, 5, 7, or 9.

Related: even number, count
shape

The form of an object, described by its outline. Common flat shapes include circles, squares, triangles, and rectangles.

Related: side, corner
side

One of the straight lines that makes the edge of a flat shape. A triangle has three sides and a square has four.

Related: shape, corner
corner

The point where two sides of a shape meet. A square has four corners and a triangle has three.

Related: shape, side
pattern

A set of things that repeats in the same order, such as red, blue, red, blue, or 2, 4, 6, 8.

Related: count, shape
compare

To look at two or more amounts or objects and decide which is more, which is less, or whether they are the same.

Related: greater than, less than
greater than

Showing that one number is larger than another. The symbol > points its open side toward the bigger number, as in 8 > 3.

Related: less than, compare
less than

Showing that one number is smaller than another. The symbol < points its open side toward the bigger number, as in 2 < 6.

Related: greater than, compare