Free Grade 4 Math Worksheets With Answers
Fourth grade is where arithmetic gets long: multi-digit multiplication, formal division, and fractions that have to be compared rather than just recognised. These free questions cover each of those, with the full working shown for every answer.
10 free questions · Answer keys included · No sign-up to practice
Skills covered in Grade 4
Aligned to Common Core Grade 4 domains: 4.OA, 4.NBT multi-digit arithmetic, 4.NF fractions and decimals, 4.MD measurement, and 4.G geometry.
- Multi-digit multiplication (up to 4 digits × 1 digit)
- Division with remainders
- Equivalent fractions and comparison
- Adding and subtracting fractions with like denominators
- Decimal notation for fractions to hundredths
- Factors, multiples and prime numbers
- Angles and angle measurement
- Multi-step word problems
Free Grade 4 practice questions with answers
Filter by topic or difficulty, or work straight through. Every answer opens to show the steps, so the page works as a worksheet and an answer key at the same time.
- Question 1easyMultiplication
What is 34 × 6?
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Answer: 204
Split it: 30 × 6 = 180 and 4 × 6 = 24. Then 180 + 24 = 204.
- Question 2easyFactors
List all the factors of 24.
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Answer: 1, 2, 3, 4, 6, 8, 12, 24
Pair them up: 1×24, 2×12, 3×8, 4×6. That gives all eight factors.
- Question 3easyFractions
Write a fraction equivalent to 2/3 with denominator 12.
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Answer: 8/12
12 ÷ 3 = 4, so multiply top and bottom by 4: (2×4)/(3×4) = 8/12.
- Question 4easyDecimals
Write 7/10 as a decimal.
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Answer: 0.7
Tenths sit in the first decimal place, so 7/10 = 0.7.
- Question 5easyAngles
An angle measures 45°. Is it acute, right or obtuse?
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Answer: Acute
Acute means less than 90°. Since 45 < 90, the angle is acute.
- Question 6mediumDivision
What is 96 ÷ 7? Give the quotient and remainder.
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Answer: 13 remainder 5
7 × 13 = 91, and 96 − 91 = 5, so the answer is 13 r5.
- Question 7mediumFractions
Which is greater, 3/5 or 5/8?
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Answer: 5/8
Use denominator 40: 3/5 = 24/40 and 5/8 = 25/40. Since 25 > 24, 5/8 is greater.
- Question 8mediumMultiplication
What is 128 × 4?
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Answer: 512
100 × 4 = 400, 20 × 4 = 80, 8 × 4 = 32. Add: 400 + 80 + 32 = 512.
- Question 9hardWord problems
A school orders 7 boxes of 48 books. If 39 books are damaged, how many are usable?
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Answer: 297 books
7 × 48 = 336 books ordered. Then 336 − 39 = 297 usable.
- Question 10hardDecimals
Order these from smallest to largest: 0.4, 0.35, 0.5
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Answer: 0.35, 0.4, 0.5
Rewrite with two places: 0.40, 0.35, 0.50. Comparing hundredths gives 35 < 40 < 50.
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What Grade 4 students are expected to master
Fourth grade is the first year where a single question can take a student more than a minute of legitimate written work. Multi-digit multiplication and division with remainders both require a recorded method, and that is a genuine change in what mathematics feels like. Students who were fine in Grade 3 by holding everything in their head often struggle here, not because the arithmetic is harder but because they have never had to lay work out.
Fractions also become comparative rather than descriptive. Grade 3 asks which fraction is shaded; Grade 4 asks whether 3/5 is bigger than 5/8, which requires a common denominator or a benchmark argument. Both methods are worth teaching, because benchmarking against 1/2 is much faster and builds the number sense that decimals will need next year.
Where Grade 4 students most often lose marks
Remainders are the classic one. Students find 96 ÷ 7 = 13 r5 correctly and then, in a word problem about how many buses are needed, forget that a remainder means one more bus. The arithmetic is right and the answer is wrong. Practise interpreting the remainder in context, not just producing it.
The second is decimal place value. A student who reads 0.35 as 'point thirty-five' will conclude it is larger than 0.4, because 35 is larger than 4. Insisting on 'thirty-five hundredths' out loud fixes more decimal ordering errors than any amount of extra practice does.