Addition/Subtraction Review

Addition

100

9,856+5,623=

15,479

200

3009+129=

3,138

300

3,888+25=

3,913

400

15,564+14,158

29,722

500

185,587+1,859=

187,446

Subtraction

100

352-121

231

200

1,859-789

1,070

300

1,458-1,098=

360

400

10,543-8,987=

1,547

500

10,000-8,756=

1,244

Addition Properties

100

1+2=2+1 is an example of which property?

Commutative Property "Flip-Flop Rule"

200

5+0=5 is an example of which property?

Identity Property "Me Rule"

300

(2+3)+4=(4+2)+3 is an example of which property?

Associative Property "Buddy Rule"

400

Is this statement true or false? (3+4)+5=(3+4)+3

False

500

Is this statement true or false? 3+4+(7+1)=3+1+(4+7)

True

Estimation

100

Estimate 1,859+8,579

11,000

200

Estimate 549+2,879

4,000

300

Estimate (to the tens place) 897-154

750

400

Estimate (to the hundreds place) 1,249-845

300

500

Jerry sold comic books every day. On Thursday he left his house with 2,579 books and that night when he returned he had 789 books. ABOUT how many books did he sell?

2,000 books

Word Problems

100

Gina picks 28 flowers. Hannah picks 36 flowers. How many flowers did they pick in all?

64 flowers

200

Jamie had 398 marbles, he gave his brother 189 of them. How may marbles does Jamie have now?

209 marbles

300

Kessel's class collected 3,902 box tops!! The class next door collected 2,854 box tops. How many more box tops did Kessel's class collect?

1,048 box tops

400

The students wanted to compete in a county wide 5K race. Each school sent their best runners. Creekside sent 235 runners, Wintergreen sent 123 runners, Robinson sent 345 runners and Ridgewood sent 85 runners. How many combined runners competed?

788 runners

500

There were 1,384 markers in the art room. Kessel's class took 285 markers and Wadford's class took 672 markers. How many markers were left once the classes borrowed some?

427 markers