ADM Unit 3

Addition

100

Determine the value of the expression.

342+256=______

598

200

Determine the value of the expression.

184+473=______

657

300

Determine the value of the expression.

723+178=_____

901

Subtraction

100

Determine the value of the expression.

764-423=______

341

200

Determine the value of the expression.

562-438=_____

124

300

Determine the value of the expression.

923-685=_____

238

Rounding

100

Round the number to the nearest 10.

58 ---> ______

60

200

Round the number to the nearest hundred.

348--->_______

300

300

Round 476 to the nearest 10,

476 ---> _____

480

400

Find the statements that are true.

A. 45 rounded to the nearest 100 is 0.

B. 380 rounded the nearest 100 is 300. 

C. 142 rounded to the nearest ten is 150

D. 546 rounded to the nearest hundred is 500.

A. 45 rounded to the nearest 100 is 0.

D. 546 rounded to the nearest hundred is 500.

Word Problems

100

Clare’s and Han’s schools are on a field trip. There are 286 students from Clare’s school and 623 students from Han’s school. 

About how many students are on the field trip?

(depends on if you rounded to the tens or hundreds)

300+600=900 students

or 

300+620=920 students

or 

290+620=910 students

200

Clare’s and Han’s schools are on a field trip. There are 286 students from Clare’s school and 623 students from Han’s school. How many students are on the field trip?

909 students