Patterns in Numbers
doubles
+10/-10
+100/-100
number bonds
100

What are the missing numbers?

10, 11, ___ ,13,___, 15

12, 14


100

4+4 =

8

100

___ 20 ___

10 , 30

100

__ 110 __

10, 210

100

  10

8    ___

2

200

What are the missing numbers?

27, 29, 31, ___, ___, 37 

33, 35

200

7+7 =

14


200

__ 45 __

35, 55

200

__ 235 ___

135, 335

200

   12

10    ___

2

300

What are the missing numbers?

46, 56, __, 76, 86, __

66, 96

300

9+9=

18

300

__ 23 __

13, 33

300

__ 456 __

356 , 556

300

   19

10  ___

9

400

What are the missing numbers?

17, 20, __, 26, ___, ____, 35

23,29, 32

400

15+15=

30

400

__ 137 __

127,  147

400

___ 609 ___

509, 709

400

    17

10  ____

7

500

What are the missing numbers?

34, ___, 44, 49, ___, 59,

39, 54

500

25 + 25 = 

50

500

___ 389 ___

379, 399

500
___ 999 ___

899, 1099

500

    24

12  ___

12