Show:
Doubles
Doubles Plus 1
Doubles Minus 1
Expanded Form
Addition
100

Pick the doubles fact below: 

51+51

15+51

55+11

51+51

100

10+11

22

100

9+8

17

100

18

10+8

100

30+15

45

200

5+5

10

200

15+16

31

200

14+13

27

200

30+1

31

200

44+35

79

300

12+12

24

300

43+44

87

300

32+31

63

300

Write the expanded form for 43.

40+3

300

62+28

90

400

What is the doubles fact for 52?

26+26

400

What is the doubles plus one fact for 35?

17+18

400

What is the doubles minus one fact for 45?

23+22

400

Write the expanded form for 70

70+0

400

59+24

83

500

What is the doubles fact for 98?

49+49

500

What is the doubles plus one fact for 57?

28+29

500

What is the doubles minus one fact for 73?

37+36

500

Write the expanded form for 99.

90+9

500

77+15

92