Review of Division  grade 4
This is a review lesson with a variety of exercises for fourth grade division topics. It includes exercises for order of operations, mental division problems, division with remainders, long division, word problems, divisibility, finding factors, and prime numbers.
1. Solve.
a. 20 ÷ 10 + 15 = _______ 20 × 10 + 15 = _______ 
b. (200 + 100) ÷ 5 = ______ 200 + 100 ÷ 5 = _______ 
c. 10 × 12 + 40 ÷ 10 = _______ 10 × (12 + 40) ÷ 10 = ______ 
2. Solve mentally.
a. 3,100 ÷ 100 = ______ 450 ÷ 10 = _______ 
b. 240 ÷ 20
= _______ 800 ÷ 40 = _______ 
c. 4,200 ÷ 600
= _______ 3,200 ÷ 80 = _______ 
3. Solve.
a. 45 ÷ 6 = ______ R ____ 46 ÷ 6 = ______ R ____ 
b. 12 ÷ 7 = ______ R ____ 27 ÷ 8 = ______ R ____ 
c. 31 ÷ 4 = ______ R ____ 56 ÷ 9 = ______ R ____ 
4. Divide and check your work.
a. 708 ÷ 3 Check:

b. 1,504 ÷ 8 Check:

5. Divide and check your work.
a. 392 ÷ 5 Check:

b. 2,845 ÷ 6 Check:

6. Harry has 288 seashells, and
Timmy has
one fourth of that amount. How many does
Timmy have?
7. Mark's 70 candles were packaged into boxes.
Twelve
candles fit in each box.
a. How many boxes
became full?
b. How many candles were
in the box that was
not full?
8. Four yards of material cost $38.88.
How much does one yard cost?
9. John's test scores were 92, 85, 89, 75,
and 89. Find his
average score.
10. Mark an X if the number is divisible by 3, 5, or 10.
Number  13  40  57  135  354  2,380 
Divisible by 3  
Divisible by 5  
Divisible by 10 
11. Fill in.
a. Is 7 a factor of 64? _____, because 
b. Is 98 a multiple of 2? _____, because 
c. Is 76 divisible by 8? _____, because 
d. Is 30 a factor of 30? _____, because 
12. Check if these numbers are primes or composites. Use the divisibility rules for 2, 3, and 5 to help you.
a. 87 is prime/composite
If composite: 
b. 89 is prime/composite
If composite: 
c. 91 is prime/composite
If composite: 
13. Find all the factors of the given numbers.
a. 24
Check 1 2 3 4 5 6 7 8 9 10
factors: ______________________________ 
b. 27
Check 1 2 3 4 5 6 7 8 9 10
factors: ______________________________ 
c. 66
Check 1 2 3 4 5 6 7 8 9 10
factors: ______________________________ 
d. 75
Check 1 2 3 4 5 6 7 8 9 10
factors: ______________________________ 
Imagine you divided all numbers from 1 to 100 by 6. Which ones of those numbers would have a remainder of 5, when divided by 6? 
This lesson is taken from Maria Miller's book Math Mammoth Division 2, and posted at www.HomeschoolMath.net with permission from the author. Copyright © Maria Miller.
Math Mammoth Division 2
A selfteaching worktext for 4th grade that covers long division, finding fractional parts with division, word problems, remainder, average, and divisibility.
Download ($5.10). Also available as a printed copy.