Subtract
Rounding
Add
Place Value
Number forms
100

89-12

77

100

Round 26

30

100

59+67

126

100

1726

What place is the 7?

thousands
100

What is 10 in word form?

Ten

200

67-54

13

200

Round 15

20

200

77+89

166

200

5579

What place is the 9 in?

ones

200
200+40+6 What form is this?

Expanded form

300

17-6

11

300

Round 64

60

300

99+12

111

300

What number has a 4 in the tens place?

234

2233

243

243

300

What is forty in number form?

40

400

72-54

18

400

Round 30

30

400
56+95

151

400

5556

5756           Witch one has a 5 in the hundreds place 

5445

5556

400

What number is this? 700+50+9

759

500

What is 52 - 42 in word form?

ten

500

Round 361 by tens place

360

500

851+11

862

500

4445 or 44454 Witch has a 5 in the tens place

44454

500

What is 375 in expanded form.

300+70+5