1
2
3
4
100

What is the tens number in 246?

4

It means 40

100

What is the tens number in 763?

6

It means 60

100

What is the tens number in 931?

3

It means 30

100

What is the tens number in 907?

0

I means there are no tens

200

What is the ones number in 246?

6

200

What is the tens number in 763?

3

200

What is the tens number in 931?

1

200

What is the tens number in 907?

7

300

What is double 10?

20

300

What is double 50?

100

300

What is double 100?

200

300

What is double 9?

18

400

What is half of 16?

8

400

What is half of 18?

9

400

What is half of 100?

50

400

What is half of 50?

25

500

Can you use near doubles to solve this:

5 + 6

11

500

Can you use near doubles to solve this:

10 + 11

21

500

Can you use near doubles to solve this:

100 + 101

201

500

Can you use near doubles to solve this:

8 + 9

17