OST Grade 4 Math study guide
OST Grade 4 Math · Work through your exam, one topic at a time.
Ohio's State Test (OST) Grade 4 Mathematics is the state assessment Ohio students take in fourth-grade mathematics. It is intended for Grade 4 students in Ohio public schools and for the families, teachers, and tutors who support them. The OST Grade 4 Math study guide has 5 sections and about 1,686 words.
01Operations and Algebraic Thinking
Operations and Algebraic Thinking on the Grade 4 test asks you to use the four operations to solve problems, interpret multiplication as comparison, find factors and multiples, and extend number patterns. Problems often combine skills, so read for the hidden question before computing.
361 words, about 2 min02Number and Operations in Base Ten
Number and Operations in Base Ten tests place value through 1,000,000, rounding, fluent addition and subtraction, multi-digit multiplication, and division with remainders. You must align place values, regroup accurately, and judge whether an answer is reasonable.
324 words, about 2 min03Number and Operations-Fractions
Number and Operations-Fractions tests equivalent fractions, comparing fractions with unlike denominators, adding and subtracting fractions with like denominators, multiplying a fraction by a whole number, and writing fractions with denominators 10 or 100 as decimals. Equivalent fractions: multiply or divide numerator and denominator by the same nonzero number.
304 words, about 2 min04Measurement and Data
Measurement and Data tests converting units within one measurement system, solving area and perimeter problems, interpreting line plots with fractional data, and measuring angles. You need to choose the right unit, formula, or scale and keep track of square versus linear units.
355 words, about 2 min05Geometry
Geometry tests identifying and drawing points, lines, line segments, rays, and angles; recognizing parallel and perpendicular lines; classifying triangles and quadrilaterals by their properties; finding lines of symmetry; and solving angle problems. Lines and rays: a line extends forever in both directions; a line segment has two endpoints; a ray has one endpoint and extends forever in one direction.
342 words, about 2 min