Base Ten blocks up to 100s
Expanded Form
Standard Form
Rounding
100

What is 

329-118=

2 hundreds

1 ten

1 one

100

Solve using expanded form

2084-1073

1000+0+10+1

100

Use standard algorithm

1432+1567

2999

100

What is 342 rounded to the nearest 10?

340

200

468-275=

1 hundred

9 tens

3 ones

200

Solve using expanded form

2071+4389=


6000+400+60+0

200

Use standard algorithm

3782-1431=

2351

200

What is 767 rounded to the nearest 10?

770

300

604-432=

1 hundred

7 tens

2 ones

300

Solve using expanded form

4381+729=

5000+100+10+0

300

Use standard algorithm

1342+868=

2210

300

What is 342 rounded to the nearest 100?

300

400

800-364=

4 hundreds

3 tens

6 ones

400

Solve using expanded form

6483-2891=

3000+500+90+2

400

Use standard algorithm

2801-1582=

1219

400

What is 878 rounded to the nearest 100?

900

500

901-378=

5 hundreds

2 tens

3 ones

500

Solve using expanded form

4020-1382=

2000+600+30+8

500

Use standard algorithm

8000-3820=

4180

500

What is 3988 rounded to the nearest 1000?

4000

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