Show:
First Grade Addition
Challenge Addition
2D-Shapes
Unknown Number
Coins
100

10+11=

21

100

32+35=

67

100

only has four sides that are all equal

square or rhombus

100

5+__=15

10

100

2 Quarters =

.50 cents

200

5+8=

13

200

65+12=

77

200

a shape with three sides

triangle

200

18-__=8

10

200

2 Dimes =

.20 cents

300

21+10=

31


300

15+15=

30

300

a shape that has 5 sides

pentagon

300

___-5=12

17

300

3 Nickles=

.15 cents

400

18+20=

38

400

100+40+5=

145

400

a shape that has 6 sides

hexagon

400

__+16=36

20
400

2 Dimes + 6 Pennies

.26 cents

500

25+25=

50

500

225+25=

250

500

a shape that has 8 sides

octagon

500

__+20=56

36

500

2 Quarters + 2 Dimes + 2 Nickels + 2 Pennies

.82 cents