Module 9 Review

Lila has 456 snap blocks. She uses 128 to make a tower and 87 to make a castle. About how many snap blocks does Lila have left?

• About 300 because 500 - 200 = 300

• About 250 because 450 - 200 = 250

• About 400 because 500 - 100 = 400

• About 350 because 450 - 100 = 350

Which of these is another way to add 489 + 112?

• 480 + 110

• 490 + 110

• 500 + 120

• 480 + 120

What is the unknown number in this equation? 9 + ___ = 9

• 0

• 1

• 9

• 10

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Add 198 + 75 + 133 = __________________________

• 406

• 396

• 408

• 398

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Subtract 756 - 489 = __________________________

• 267

• 277

• 287

• 297

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Round to the nearest ten and check if 600 is a reasonable estimate for 538 + 83.

• Yes

• No

Round to the nearest ten and check if 600 is a reasonable estimate for 612 + 7.

• Yes

• No

Round to the nearest ten and check if 600 is a reasonable estimate for 510 + 120.

• Yes

• No

Round to the nearest ten and check if 600 is a reasonable estimate for 599 + 20.

• Yes

• No

Write the number 50,000 + 3,000 + 700 + 20 + 9 in standard form.

• 53,729

• 50,729

• 53,709

• 50,739

Tags

CCSS.4.NBT.A.2