Multiplication
Division
Area & Perimeter
Estimating
100

7 x 4

28

100

15 / 3

5
100
What is the Area of Perimeter of this rectangle?


L = 10

W = 2


A = 20 

P = 24

100

What is the estimated answer to this problem?

42 + 21 =

60

42 + 21 = 40 + 20

200

6 x 12

72

200

21 / 3

7

200

What is the Area of Perimeter of this rectangle?

L = 8

W = 3

A = 24

P = 22

200

What is the estimated answer to this problem?

36 + 108

150

36 + 108 = 40 + 110

300

25 x 3

75

300

32 / 4

8

300

What is the Area of Perimeter of this rectangle?

L = 8

W = 8

A = 64

P = 32

300

What is the estimated answer to this problem?

29 - 11 

20

29 - 11 = 30 - 10

400

12 x 8

96

400

48 / 8

6

400

What is the Area of Perimeter of this rectangle?

L = 4 in

W = 2 in

A= 8 in2

P=12 in

400

What is the estimated answer to this problem?

2,698 - 1,025

1,700

2,698 - 1,025 = 2,700 - 1,000 

500

43 x 3

129

500

54 / 9

6

500

What is the Area of Perimeter of this rectangle?

L = 6 cm

W = 7 cm

A = 42 cm2

P = 26 cm

500

What is the estimated answer to this problem?

9,999 + 8,989

19,000

9,999 + 8,989 = 10,000 + 9,000