Multiplying by 2
Multiplying by 5 or 10
Turnaround Facts
Multiplying Doubles
Multiplying Doubles 2
100

4*2=?

8

100

3*5=?

15




100

What are the turnaround facts for 7*5?  What is the product?

5*7=35

100

3*3=?

9

100

1*1=?

1

200

6*2=?

12

200

4*10=?

40

200

What are the turnaround facts for 4*10?  What is the product?

10*4=40

200

4*4=?

16

200

7*7=?

49

300

8*2=?

16

300

7*5=?

35

300

What are the turnaround facts for 9*10?  What is the product?

10*9=90

300

6*6=?

36

300

10*10=?

100

400

9*2=?

18

400

8*10=?

80

400

What are the turnaround facts for 13*5?  What is the product?

5*13=65

400

8*8=?

64

400

11*11=?

121

500

12*2=?

24

500

13*5=?

65

500

What are the turnaround facts for 9*11?  What is the product?

11*9=99

500

9*9=?

81



500

12*12=?

144