Numbers 21- 50
Number 51-100
Counting by 10's
Number Patterns
Numbers 1-100
True or False
100

2 groups of tens makes this number

20

100

7 groups of tens and 4 ones makes this number

74

100

10, 20, ?

30

100

20, 21, 22, ?, ?

23, 24

100

is 99 before 100

TRUE


99, 100

200

3 groups of tens makes this number

30

200

10 groups of tens makes this number

100

200

20,30,?

40

200

19, 18, 17, ? , ? 

16, 15

200

Is 20 after 19?

FALSE

19, 20, 21

300

4 groups of tens and 2 ones makes this number

42

300

8 groups of tens and 1 ones makes this number

81

300

50, ?, 70

60


300

10, 20, ?, ?

30, 40

300

Can number patterns only go up?

FALSE

when counting, the patterns can for up or down

400

5 groups of tens makes this number

50

400

6 groups of tens and 7 ones makes this number

67

400

80, 90, ?

100

400

33, 34,  ? ,  ? , 37, 38,

35, 36

400

Is counting by 10's a number pattern 

TRUE

10, 20, 30, 40


the numbers are going up by ten in a sequence

500

3 groups tens and 9 ones makes this number

39

500

9 groups of tens and 9 ones make 

99

500

10, 20, 30, 40, ?

50

500

44, 43, 42, ? , ? ,

41, 40

500

Is counting by 1's a number pattern?

Yes


1,2,3,4,5,6,7,8,9,10,11

the number are going up by 1 more