Show:
Addition/Subtraction
Rounding
Multiplication/Division
Patterns
Mystery
100

149 + 235

384

100

42 rounded to the nearest TEN

40

100

8 x 7

56

100

What is the rule? 

3, 8, 13, 18, 23...

Rule: Add 5 (+5)

100

3 x 5 x 2

30

200

352 - 138

214

200

275 rounded to the nearest HUNDRED.

300

200

40 / 8

5

200

What is the rule?

31, 28, 25, 22, 19... 

Rule: Subtract 3 (-3)

200

5 x 8 = __ x 5

8

300

428 + 286


714

300

309 rounded to the nearest HUNDRED.

300

300

Fact Family for 8, 48, 6

6 x 8 = 48

8 x 6 = 48

48 / 8 = 6

48 / 6 = 8

300

What is the missing number in the pattern?

2, 7, 12, ___, 22...

17

300

Decompose the 9:

       9 x 4

(5x4) + (__x4)

4

400

632 - 156

476

400

635 rounded to the nearest TEN.

640

400

4 x [] = 32

8

400

71, 65, 59, ___, 47...

53

400

60 x 3

180
500

400 - 138

262

500

971 rounded to the nearest HUNDRED.

1000

500

[] / 7 = 3

21

500

What is the rule and the missing number?

8, 16, 24, ____, 40...

Add 8

32

500

100 x 0

0