Grade 5: Topic 4

Estimate it!

100

Estimate 6.7 

7

200

Estimate the equation:

4.56 x 7=

5x7=

300

DAILY DOUBLE: GET IT CORRECT DOUBLE YOUR SCORE

Estimate the equation then solve:

3.14 x 12. 2 =

30

400

Juliette bought 20 ornaments that cost $2.10 each.  About how much did she spend?

$40

Multiplying by 10

100

How many times do you move the decimal over:

3.45 x 100

2 times

200

0.36 x 10³

360

300

How much does the decimal move over?

6.23 x 10⁴

4 places to the right

400

$5.85 x10²

$585

True or False

100

If 10² is in the missing space is it true?

80.34 x _______ = 8,034

YUP! TRUE!

200

Does 3.7 make this equation true?

1,000 x _________ = 370

NOPE! FALSE

3,700

300

12 x .6 = 72

NOPE! FALSE 7.2

400

The formula for area is length x width

The formula for perimeter is add all sides

Are both statements true?

YEPAROONEY

Mixed Bag of Fun

100

A square has one side that is 7.2 inches long.

Could I multiply 7.2 by 4 to get the perimeter?

Yes because that's the same as adding 7.2, 4 times.

200

What's the area of a square in which one side is 9.5?

90.25

300

Draw it! Show a model of .3 x .4 on graph paper.

Teacher will check

400

If Eirikr buy 5 chocolates at $0.42 how much is the total?

$2.10