Unit 5 Math Review

Shifting Decimals

100

#1 (pg. 233)

B and F

200

#11 (pg. 235)

right, two places

300

#13 (pg. 235)

47.2

100

0.001

4,720

400

#21 (pg. 237)

3.6

100

0.036

Interpreting Remainders

100

22a. (pg. 238)

round it up

200

22b. (pg. 238)

ignore it

300

22c. (pg. 238)

Form a Fraction

400

#9 Part A (pg. 234)

23 habitats

Dividing Decimals

100

#12 (pg. 235)

A and C

200

#3 (pg. 233)

The divisor is getting 100 times bigger and the dividend is getting 100 times bigger, so numbers are equivalent.

300

#4 (pg. 233)

You are dividing into into smaller pieces, so there will be more than 5 pieces. Also, division is the opposite of multiplication.

400

#23 (pg. 238)

300+70+2=372

576-560

Word Problems

100

#8 (pg. 234)

15 markers

200

#7 (pg. 234)

6.85 meters

300

#6 (pg. 234)

12 postcards

400

#18 (pg. 236)

Part A: 700

Part B: Marco only added one 0 to the whole number even though he shifted the decimal in the divisor twice.