1. Math review
Fourth Grade

2. Review 43 1500 ÷ 30 = Estimate. 32,921 – 24, 745 Find the sum.
Find the
product.
72 x 66
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
1500 ÷ 30 =
Find the perimeter of a square with the sides of 13 cm.
I am thinking of a number that is greater than 180 and less than The number is divisible by 9. What is the number?
Division
Geometry
Bonus

3. Solution 43
Estimate.
32,921 – 24, 745
30,000 – 20,000 = 10,000
Find the sum.
808
Find the
product.
72 x 66
4752
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
1500 ÷ 30 =50
Find the perimeter of a square with the sides of 13 cm.
13cm x 4 = 52 cm
I am thinking of a number that is greater than 180 and less than The number is divisible by 9. What is the number?
189
Division
Geometry
Bonus

4. Review 44
Estimate. =
Find the difference.
457, ,912
Find the
product.
63 x 81
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
1600 ÷ 400 =
Find the perimeter of a square with the sides of 22 m.
Each picnic table at the park seats 8 people. There are 316 people at the park. How many full tables are there in the park?
Division
Geometry
Bonus

5. Solution 44
Estimate. =
1700
Find the difference.
457, ,912
451,291
Find the
product.
63 x 81
5,103
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
1600 ÷ 400 = 4
Find the perimeter of a square with the sides of 22 m.
22m x 4 = 88 m
Each picnic table at the park seats 8 people. There are 316 people at the park. How many full tables are there in the park? 316 ÷ 8 = 39 r 4
39 full tables
Division
Geometry
Bonus

6. Review 45 18,000 ÷ 30 = Estimate. 423,509 – 192,304 Find the sum.
,682
Find the
product.
84 x 71
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
18,000 ÷ 30 =
Find the perimeter of a rectangle with the length of 5 in. and the width of 3 in.
Sheila received grades of 85, 90, and 89 on her math tests. What was her mean grade?
Division
Geometry
Bonus

7. Solution 45
Estimate.
423,509 – 192,304
400,000 – 200,000 =200,000
Front end: 4 -1 = 300,000
Find the sum.
,682
2467
Find the
product.
84 x 71
5964
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
18,000 ÷ 30 =
600
Find the perimeter of a rectangle with the length of 5 in. and the width of 3 in.
(5 in + 3 in)2 = 16in
Sheila received grades of 85, 90, and 89 on her math tests. What was her mean grade?
( )÷3 = 88
Division
Geometry
Bonus

8. Review 46
Estimate.
Find the difference.
236, ,682
Find the
product.
75 x 26
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
72,000 ÷ 900 =
Find the perimeter of a rectangle with the length of 6 yd. and the width of 4 yd.
There are 5 teams in a soccer tournement. Each team must play each other once. How many games must be scheduled?
Division
Geometry
Bonus

9. Solution 46
Estimate.
Rounding:
=2100
front end:
= 1900
Find the difference.
236, ,682
145,064
Find the
product.
75 x 26
1950
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
72,000 ÷ 900 = 80
Find the perimeter of a rectangle with the length of 6 yd. and the width of 4 yd.
(6 + 4)2 = 20 yd.
There are 5 teams in a soccer tournament. Each team must play each other once. How many games must be scheduled?
= 10 games
Division
Geometry
Bonus

10. Review 47
Estimate.
54,708 – 28,250
Find the sum. ,
Find the
product.
81 x 74
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
56,000 ÷ 800 =
Find the perimeter of a rectangle with the length of 5 ft. and the width of 2 ft.
Evaluate. x
Division
Geometry
Bonus

11. Review 48
Estimate.
Find the difference.
607,45 2 – 390,503
Find the
product.
65 x 44
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
440,000 ÷ 40 =
Find the perimeter of a rectangle with the length of 15 m and the width of 4 m.
If today were October 22, how many days would be left in the current year?
Division
Geometry
Bonus

12. Solution 47 3,545 5,994 70 148 Rounding 20,000 Front End 30,000
Estimate.
54,708 – 28,250
Rounding
20,000
Front End
30,000
Find the sum. ,
3,545
Find the
product.
81 x 74
5,994
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
56,000 ÷ 800 = 70
Find the perimeter of a rectangle with the length of 5 ft. and the width of 2 ft.
(5 ft + 2 ft)2 = 14 ft.
Evaluate.
x 10 – 2
– 2
148
Division
Geometry
Bonus

13. Solution 48 216,949 2860 11,000 70 days 1200 rounding 1100 front end
Estimate.
1200 rounding
1100 front end
Find the difference.
607,45 2 – 390,503
216,949
Find the
product.
65 x 44
2860
Estimate
Addition
Subtraction
Multiplication
Find the quotient.
440,000 ÷ 40 =
11,000
Find the perimeter of a rectangle with the length of 15 m and the width of 4 m.
(15 + 4)2 = 38 m
If today were October 22, how many days would be left in the current year?
31 –
70 days
Division
Geometry
Bonus