Vocabulary
Find the Sum
Find the Difference
Topic 9 Review
Review
100

What does sum mean?

To add

100

235 + 423

658

100

894 - 423

471

100

What is 789-34?

755

100

Round to the nearest hundreds place:

890

900

200

What does difference mean?

To subtract

200

894 +90 + 324

1,308

200

432-89

343

200

Find 78+456+108. Then subtract from 900.

258

200

Write 6x7 using the distributive property.

(6x3) + (6x4)

More answers allowed

300

What does it mean to estimate?

To round

300

Find the sum of 146 and 243. Then add that sum to 349.

738

300

7,908-346

7,562

300

Subtract 67 from 870

803

300

What is the area of this shape?

24 squared units

400

What is a conjecture?

A math argument

400

Which partial sum is correct for 567 + 345?

a. (500+300) + (67+40) + (7+5)

b. (500+300) + (60+40) + (7+5)

c. (500+300) + (60+40) + (5+5)

d. (500+500) + (60+40) + (7+5)

b. (500+300) + (60+40) + (7+5)

400

23,900-5,689

18,211

400

How many times do you need to regroup?

345-289

2 times

400

Create a fact family for the number 48.

Vary

500

What is the answer in a multiplication problem called?

A product

500

Find the sum of 54 and 548. Then take that sum away from 892.

290

500

1,908,432 - 345,890

1,562,542

500

Is 650 + 23 greater than 680?

Prove your conjecture.

650 + 23 is not greater than 680. 650 + 23 is 673 which is less than 680. 

500

There are 15 buses at the school. 6 buses have 8 students on them. The rest of the buses have 5 students on them. How many students are on all the buses?

93 Students

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