Envision Grade 3 Topic 8 Review

Properties

100

18+__=18

Fill in the blank. What property is shown?

A. Communitive Property of Addition

B. Associative Property of Addition

C. Identity or Zero Property of Addition

18+0=18

C. Identity or Zero Property of Addition

200

14+(16+15)=(__+16)+15

Fill in the blank. What property is shown?

A. Communitive Property of Addition

B. Associative Property of Addition

C. Identity Property of Addition

14

B. Associative Property of Addition

300

___+13=13+17

Fill in the blank. What property is shown?

A. Communitive Property of Addition

B. Associative Property of Addition

C. Identity Property of Addition

17

A. Communitive Property of Addition

400

__+22 = 22+25

Fill in the blank. What property is shown?

A. Communitive Property of Addition

B. Associative Property of Addition

C. Identity Property of Addition

25

A. Communitive Property of Addition

500

62+__=62

Fill in the blank. What property is shown?

A. Commutative Property of Addition

B. Associative Property of Addition

C. Identity or Zero Property of Addition

0

C. Identity or Zero Property of Addition

Rounding

100

Round to the nearest ten AND nearest 100:

374

Nearest 10: 370

Nearest 100: 400

200

Round to the nearest ten AND nearest 100:

848

Nearest Ten: 850

Nearest Hundred: 800

300

Round to the nearest ten AND nearest 100:

565

Nearest ten: 570

Nearest hundred: 600

400

Round to the nearest ten AND nearest 100:

345

Nearest ten: 350

Nearest hundred: 300

500

Round to the nearest ten AND nearest 100:

72

Nearest Ten: 70

Nearest Hundred: 100

Rounding Word Problems

100

The third grade has 182 students.  Round to the nearest ten to find about how many third grade students there are.

180 students

200

Tina has $548.  Round to the nearest ten to find about how much money she has.

$550

300

Maria has 82 stuffed animals.  Round to the nearest 100 to find about how many stuffed animals she has.

100 stuffed animals

400

Tim has 312 pennies.  Bill has 645 pennies.  Round to the nearest ten to find about how many pennies they have together.  Write the entire equation.

310+650= 960 pennies

500

321 people were at the park.  138 people left.  Round to the nearest 10 to find about how many people are left at the park.  Write the entire equation.

320-140 = 180 people

Estimating Differences

100

Round to the nearest hundred. Write the entire equation.

527-341

500-300=200

200

Round to the nearest hundred. Write the entire equation.

872-184=

800-200=600

300

Round to the nearest ten. Write the entire equation.

387-298=

390-300=90

400

Round to the nearest ten. Write the entire equation.

659-271=

660-270=390

500

Round to the nearest ten. Write the entire equation.

848-231 = ?

850-230 = 620

Estimating Sums

100

Round to the nearest hundred. Write the entire equation.

367 + 319

400+300=700

200

Round to the nearest hundred. Write the entire equation.

737 + 127

700+100=800

300

Round to the nearest ten. Write the entire equation.

298 + 542

300+540=840

400

Round to the nearest ten. Write the entire equation.

459 + 85

460+90=550

500

Round to the nearest ten. Write the entire equation.

314 + 247 =

310+250=560