Topic 1
Topic 2
Topic 3
Topic 4
Word Problems
100

Write the following number in expanded form. 

92,318

90,000+2,000+300+10+8

100

Round to estimate, then add. 

2,189 + 1,388 =

2,000 + 1,000 = 3,000 

100

3 x 90 = 

3 x 900 = 

3 x 9,000= 

3 x 90,000 = 

270

2,700

27,000

270,000

100

use basica facts and place value to find the product. 

30 x 70 = 

2,100

100

Thirty five thousand,four hundred seventeen people attended a county fair. Write this total in standard form using numerals. 

35,417 people

200

Use your knowledge of place value to complete the comparison equation. 

70,000+2,000 _____ 70,000 + 200

72,000 > 70,200

200

Round to estimate, then subtract. 

9,245 - 4,033 = 

9,000 - 4,000= 5, 000

200

Estimate the product. 

4 x 279 = 

4 x 300 = 1,200

200

Find the product. 

50 x 15= 

5 x 15 

5 x 10= 50 

5 x 5 = 25 

50 + 25 = 750 (don't forget the zero)

200

In one week, Katy walks 1,750 meters and runs 1,925 meters. How many meters does Katy walk and run? 

3,675 meters 

300

Round this number to the hundreds place. 

49,851

49,900

300

Add these numbers to find the sum. 

387,969 + 562,031 = 

950,000

300

Multiply using area model or partial product. 

46 x 8 = 

8 x 40 = 320

8 x 6 = 48 

320 + 48 = 368

300
Round to estimate, then find the product. 


48 x 29 = 

50 x 30 = 

5 x 3 = 15 (add 2 zeros)

1,500

300

Select all of the numbers that are partial products of 

8 x 1,126

a) 48 

b) 80 

c) 160 

d) 800 

e) 8,000

e- 8,000

d- 800

c - 160 

a- 48

400

Round this number to the tens place. 

251,372

251,370

400

Subtract these numbers to find the difference. 

8,737 - 6,754 = 

1,983

400

Multiply using area model or partial product. 

538 X 3 = 

3 x 500 = 1500

3 x 30 = 90

3 x 8 = 24 

1,500+90+24 =1,614

400
Find the product using area model. 


23 x 46 = 

1,058

400

Barb exercises for 22 hours each week. How many hours does she exercise in 14 weeks? Use area model to solve. 

22 x 14 = 308 hours 

500

Which of the following shows the values of the 5s in 15,573? 

A) 500 and 5 

B) 500 and 50

C) 5,000 and 50

D) 5,000 and 500

D- 5,000 and 500

500

Subtract across zeros to find the difference. 

40,000 - 29,526 = 

10,474

500

Multiply using area model or partial product. 

9 x 6,384 = 


9 x 6,000= 54,000

9 x 300 = 2,700

9 x 80 = 720

9 x 4 = 36

54,000+2,700+720+36 = 57,456

500

Find the product using area model 

82 x 74 = 

6, 068

500

Miranda says 30 x 26 is greater than 20 x 36. Is she correct? Find the product of both equations.

30 x 26 = 780 

20 x 36 = 520 

Miranda is correct.