GCF/ LCM

GCF

100

What is this GCF of 10 and 9?

1

200

What is the GCF of 72 & 90?

18

300

What is the GCF of 6 & 12?

3

400

What is the GCF of 100 and 10?

10

500

What is GCF of 26 & 52?

13

LCM

100

What is LCM of 5 & 15?

15

200

What is LCM of 8 and 3?

24

300

What is LCM of 42 & 7?

42

400

What is LCM of 6 & 4?

12

500

What is LCM of 13 & 11?

55

Addition

100

Grace has 13 baseball, she wants 37 baseballs. How many more does she want?

What is 24 baseballs

200

47 + 36

83

300

What is 23 + 8?

31

400

What is 123 + 346?

469

500

What is 4692 + 8964?

13,656

Subtraction

100

What is 32-5?

27

200

202-73?

129

300

5005-1999?

3006

400

8759- 6589?

2170

500

15-20?

-5

Multlplication

100

5 X 6

30

200

7 X 10?

70

300

47 X3?

141

400

What is 56 x 8?

458

500

15,623 X 0?

0