Show:
Name that Sign
Doubles
Addition
Subtraction
Making Tens
100

What does this sign mean? =

equals
100

2+2=

4

100

17+30=

47

100

66-20=

46

100

9 + ? = 10

1

200

What sign is this +?

addition/plus

200

5+5=

10


200

22+46=

68


200

56-23=

33

200

10 + ? = 10

0

300

What sign is this - ?

subtraction/minus

300

7+7=

14

300

57+29=

86

300

82-67=

15

300

5+ ? = 10

5

400

What sign is this x ?

multiplication/times

400

9+9=

18

400

85+77=

162

400

54-19=

35

400

3 + ? = 10

7

500

What sign is this รท ?

division

500

11+11=

22

500

345+607=

952


500

241-113=

128

500

4 + ? = 10

6