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5's in 5 seconds
100

what is 50 + 50 ?

100

100

85-18= 

67

100

skip count by 10's

10, 20, 30, 40, 50

100

4 x 2

8

100

5 x 0

0
200

155 + 148=

303

200

31 - 19 =

12

200

skip count by 2's

2, 4, 6, 8, 10

200

4 x 4

16

200

5 x 1

5

300

407+352=

759

300

74-48=

26

300

Count by 5's

5, 10, 15, 20, 25

300

4 x 6

24

300

5 x 3

15

400

1234 +121=

1355

400

56 - 12 =

44

400

Count by 3's

3, 6, 9, 12, 15

400

4 x 8

32

400

5 x 4

20

500

1,790 + 1,590 = 

3380

500

150 - 40 =

110

500

Count by 4's

4, 8, 12, 16, 20



500

4 x 9

36

500

5 x 5

25