Show:
Addition
Subtraction
10s
100s
Place Value
100

3+8=?

3+8=11

100

15-5=?

15-5=10

100

100-10=?

100-10=90

100

500-100=?

500-100=400

100

What number is this?

3 Hundreds, 2 tens, and 8 ones.

328

200

9+7=?

9+7=16

200

18-9=?

18-9=9

200

30+30=?

30+30=60

200

300+400=?

300+400=700

200
What is this number?


2 hundreds, 8 tens, 12 ones.

292

300

12+18=?

12+18=30

300

25-14=?

25-14=11

300

60+40=?

60+40=100

300

300+600=?

300+600=900

300

What number is ten less than this?

1 hundreds, 8 tens, 7 ones

177

400

20+9=?

20+9=29

400

20-8=?

20-8=12

400

110+40=?

110+40=150

400

200+300+100=?

200+300+100=600

400

What number is 100 more than this?

2 hundreds, 3 tens, 18 ones.

348

500

33+16=?

33+16=49

500

33-14=?

33-14=19

500

200-70=?

200-70=130

500

500-100+500=?

500-100+500=900

500
What number is 100 less AND 10 more than this?


1 hundred, 4 tens, 6 ones.

56