Show:
Addition
Subtraction
Place Value
100

4 + 5 = 

9

100

10 - 6 = ____

4

100
What number has four hundreds, zero tens, and three ones?

403

200

14 + 5 =

19

200

30 - 6 = ____

24

200

100 = ____ tens

10

300

60 + ___ = 100

40

300

100 - ____ = 40

60

300

10 tens =  _____

100, 1 hundred

400

70 + 30 =  ____ + 50

50

400

6 - 4 = 7 - ___

5

400

Write the expanded form of 341.

300 + 40 +1 = 341

500

145 + 26 =

171

500

145 - 23 =

122

500

170 = _____ tens

17