Math Review!

1-digit Multiplication

100

2 X 18

36

200

3 X 24

72

300

4 X 37

148

400

6 X 78

468

500

9 X 121

1089

2-digit Multiplication

100

11 X 11

121

200

13 X 54

702

300

15 X 66

990

400

29 X 75

2175

500

84 X 87

7308

Estimation

100

Estimate: 16 X 22

20 X 20 = 400

200

Estimate 18 X 37

20 X 40 = 800

300

Estimate 45 X 72

50 X 70 = 3500

400

Estimate 77 X 25

80 X 30 = 2400

500

Estimate 94 X 65

90 X 70 = 6300

Factors

100

Find the factors of 7

1 and 7

200

Find the factors of 6

1, 2, 3, 6

300

Find the factors of 16

1, 2, 4, 8, and 16.

400

Find the factors of 45

1, 3, 5, 9, 15 and 45

500

Find the factors of 24

1, 2, 3, 4, 6, 8, 12 and 24

Surprise!

100

The answer to a multiplication problem is called a:

Product

200

785 - 124

661

300

What are the first five multiples of the number 7?

7, 14, 21, 28, 35

400

1,085 + 233

1318

500

1. A movie theater has 24 rows of seats. Each row has 36 seats. How many seats are there in total?

864 seats