Topic 4 Math Review

Basic Multiplication Facts

100

What is 0 x 0? 

0 x 0 = 0

200

What is 2 x 7? 

2 x 7 = 14

300

What is 6 x 6 ? 

6 x 6 = 36

400

What is 7 x 8 ?

7 x 8 = 56

500

What is 12 x 12 ?

12 x 12 = 144

Multiply 2-digit by 1-digit Numbers (Use any Strategy)

100

What is 20 x 5 ?

20 x 5 = 100

200

What is 60 x 7 ? 

60 x 7 = 420

300

What is 80 x 5 ? 

80 x 5 = 400

400

What is 40 x 6 ?

40 x 6 = 240

500

What is 90 x 8 ? 

90 x 8 = 720

Mutiply 2-digit by 2-digit Numbers (Area Model or Partial Products)

100

What are the partial products for 85 x 67 ?

7 x 5= 35

7 x 80 = 560

60 x 5 = 300

60 x 80 = 4800

Therefore, 4,800 + 560 + 300 + 35 = 5,695

200

What are the partial products for 32 x 15 ?

5 x 2 = 10

5 x 30 = 150

10 x 2 = 20 

10 x 30 = 300

Therefore, 300 + 150 +20 +10 = 480

300

What are the partial products for 74 x 53 ?

3 x 4 = 12

3 x 70 = 210

50 x 4 = 200

50 x 70 = 3500

Therefore, 3,500 + 210 + 200 + 12 = 3,922

400

What are the partial products for 82 x 26 ?

6 x 2 = 12

6 x 80 = 480

20 x 2 = 40 

20 x 80 = 1600

Therefore, 1,600 + 480 + 40 + 12 = 2,132

500

What are the partial products for 22 x 56 ?

6 x 2 = 12

6 x 20 = 120

50 x 2 = 100

50 x 20 = 1000

Therefore, 1,000 + 120 + 100 + 12 = 1,232

Mutiply 2-digit by 2-digit Numbers (Use any Strategy)

100

What is the product of 38 x 27?

1,026

200

What is the product of 45 x 37 ?

1,665

300

What is the product of 93 x 92 ?

8,556

400

What is the product of 73 x 79?

5,767

500

What is the product of 91 x 64?

5,824