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Review
100

What two numbers are in 15?

10 and 5

100

1, __, 3,__,__,6

1,2,3,4,5,6

100

5, 10, __,20,__,30,__

5,10,15,20,25,30,35

100

10,__,30,___

10,20,30,40

100

What is 2+3?

5

200

What two numbers are in 25?

20 and 5

200

25, __, 27,__,__,30

25,26,27,28,29,30

200

30,___,40,__

30,35,40,45

200

What comes after 40?

50

200

What is 4-2?

2

300

What two numbers are in 46?

40 and 6

300

35, __, _,38,__,40,__,

35,36,37,38,40,41

300

40,___

40,45

300
What comes after 60?

70

300
Is 5<4?
No
400
What two numbers are in 86?

80 and 6

400

86, __, __,__,__,91,

86,87,88,89,90,91

400

50,____

50,55

400

What comes after 80?

90

400

What is 15+5?

20

500
What two numbers are in 108?

100 and 8

500

91,__,__,__,__,__,__,__,__,__

91,92,93,94,95,96,97,98,99,100

500

80, __, 90,__,100

80,85,90,95,100

500

10,__,__,__,__,__,__,___,__,___

10,20,30,40,50,60,70,80,90,100

500

What 18-9?

9