Numbers to 40
Place Value
Doubles Addition
Doubles Subtraction
Real World Problems
100

forty

40

100

3 tens 2 ones

32

100

8+8=

16

100

10-5=

5

100

Milan has 4 books. Her sister gave her 4 more. How many does she have now?

8 books.

200

twenty-eight

28

200

1 ten 0 ones

10

200

4+4=

8

200

8-4=

4

200

Simon gives away 10 stickers to his friends. He also gives his sister 3 stickers. How many stickers does Simon give away in all?

13 stickers

300

thirty-three

33

300
23 ones

23

300

5+5=

10

300

12-6=

6

300

Logan has 6 cups. He buys some cups. Logan has 11 cups now. How many cups does Logan buy?

5 cups

400

fifteen

15

400

2 tens 11 ones

31

400

6+6=

12

400

16-8=

8

400

Julia makes 20 bracelets. She gives away some bracelets. She has 8 bracelets now. How many bracelets does Julia give away?

12 bracelets

500

thirty-three

33
500

2 tens 18 ones

38

500

7+7=

14

500

18-9=

9

500

Jack has 9 toy cars. He has 7 toy trucks. How many trucks and cars does Jack have in all?

16 toy trucks and cars

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