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Base 10
1

5+2=

7

1

8-2=

6

1

10,20,30

40

1

Which is MORE

10 or 7

10

1

How many tens and how many ones in the number

20?

2 tens

0 ones

2

3+8=

11

2

10-5=

5

2

5,10,15,

20

2

Which is MORE

12 or 15

15

2

How many tens and how many ones in the number 

35?

3 tens

5 ones

3

4+5=

9

3

6-4=

2

3

15,20,25

30

3

Which is MORE 

17 or 70

70

3

How many tens and how many ones in

45?

4 tens

5 ones

4

10+4=

14

4

9-5=

4

4

20,30,40

50

4

Which is MORE

40 or 60?

60

4

How many tens and ones in the number 

15?

1 ten

5 ones

5

8+4=

12

5

12-6=

6

5

50,60,70

80

5

Which is MORE

25 or 52?

52

5
How many tens and ones in 

25?

2 tens

5 ones

M
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n
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