1.1 (Add/Sub/Mult.) Math Review

Multi Digit Addition

100

253+12=

265

200

457+27=

484

300

5,346+201=

5,547

400

1,894+2,354=

4,248

Multi Digit Subtraction

100

620-84=

536

200

4,231-3,564=

667

300

9,361-6,220=

3,141

400

9,999-6,000=

3,999

Multiplication

100

27 x 4=

108

200

52 x 90=

4,680

300

67x29=

1,943

400

238 x 97=

23,086

Rounding

100

Round to the nearest tens.

872

870

200

Round to the nearest hundreds.

1730

1700

300

Round to the nearest thousands:

9165

9000

400

Estimate:  427-168 

427-168

400-200

200