Module 2 Review

Estimater

200

104 + 388 is about this number.

What is about 500?

400

248 + 404 is about this number.

What is about 650?

600

If 288 cars passed the school Wednesday morning and 291 passed the school Wednesday afternoon, estimate the total number of cars that passed the school on Wednesday. 

What is about 600 cars?

800

87 people attended a theater production on Friday morning. 127 people attended the theater production on Wednesday morning. 108 people attended the theater production on Friday afternoon. Estimate the total number of people who attended the theater production on Friday.

What is about 225 people? (200-250 is acceptable)

1000

1,317 people got the grilled chicken sandwich in week 1 and 1,205 people got the veggie burger. If the same number of people buy the veggie burger each day, estimate the total number of people who buy the veggie burger over 5 weeks. 

What is about 6,000?

Estimate: 1,200 x 5 = 6,000

Add'em Up

200

241 + 354 = 

What is 595?

400

672 + 216 = 

What is 888?

600

DAILY DOUBLE!

23,072 + 4,293 = 

What is 27,365?

*Don't forget to regroup*

800

40,854 + 10,237 = 

What is 51,091?

1000

587 people attended a theater production on Friday morning. 634 people attended the theater production on Wednesday morning. 908 people attended the theater production on Friday afternoon. What is the total number of people who attended the theater production on Friday?

What is 1,495?

587 + 908 = 1,495

Double It

200

Double 230

What is 460?

400

Double 1,200

What is 2,400?

600

Double 112

What is 224?

800

Double 348

What is 696?

1000

Double 573

What is 1,146?

Fiver

200

Using the tens strategy:

18 x 5

What is 90?

400

Using the tens strategy:

26 x 5 

What is 130?

600

Using the tens strategy:

220 x 5

What is 1,100?

800

Using the tens strategy:

68 x 5

What is 340?

1000

Using the tens strategy:

74 x 5 =

What is 370?

Niner

200

DAILY DOUBLE

Using the tens strategy: 

9 x 16 =

What is 144?

400

Using the tens strategy: 

29 x 8

What is 222?

600

Using the tens strategy:

59 x 4 = 

What is 234?

800

Using the tens strategy:

John pays $39 per month for his Netflix account (ultra premium). He will spend this much after 7 months.

What is $273?

1000

Using the tens strategy:

Bill pays $26 a month for his phone plan. How much will he pay over 9 months.

What is $251?