Divide and Conquer!
Real-Life Math Missions
Estimate Like a Genius
Zero Hero or Zero-Free Zone?
Smart Shopper Math
100

7.2 ÷ 6 = ?

1.2

100

A rope is 28.8 meters long. Maya cuts it into 6 equal pieces.
How long is each piece?

4.8 meters

100

51.7 ÷ 9 → BEST estimate?

51.7 --> 54 

54 ÷ 9 = 

About 6

100

4.2 ÷ 0.7

No zero needed

100

Diego buys a pack of 5 science magazines for $18.75. He saves $4.50 by buying the pack instead of buying the 5 magazines individually. If the magazines all cost the same amount, how much does one magazine cost when purchased individually?  

18.75 + 4.50 = $23.25 total if bought separately
23.25 ÷ 5 = $4.65 each

200

3.3 ÷ 0.3 = ?

11

200

A runner drinks 52.5 oz of water over 10 days.
What’s the BEST estimate of how many ounces per day the runner drank?

52.5--> 50 ounces

50 ounces ÷ 10 = 

About 5 ounces.

200

18.6 ÷ 3 → BEST estimate?

18.6 --> 18

18 ÷ 3

About 6  

200

7.2 ÷ 0.9

No zero needed

200

Ava buys a set of 6 mystery novels for $45.60. She saves $9.00 by buying the set instead of buying the novels individually. If each novel costs the same amount, how much does one novel cost when purchased individually?

45.60 + 9.00 = 54.60
54.60 ÷ 6 = $9.10 each

300

4.5 ÷ 0.05 = ?

90

300

A 4.95-pound bag of nuts is split into 9 equal containers.
How much in each container?

0.55 lb

300

108.3 ÷ 12 → BEST estimate?

108.3 --> 108

108 ÷ 12

About 9

300

2.4 ÷ 0.04

Yes — add a zero

300

Leo buys a bundle of 4 video game guides for $28.44. He saves $5.56 by buying the bundle instead of buying each guide individually. If all guides cost the same amount, how much does one guide cost when purchased individually?

28.44 + 5.56 = 34.00
34.00 ÷ 4 = $8.50 each

400

12.48 ÷ 0.4 = ?

31.2

400

A bill of $84.48 is shared equally by 6 people.
How much does each person pay?

$14.08

400

8.19 ÷ 4 → BEST estimate?

8.18 --> 8
8÷ 4 

About 2

400

5.1 ÷ 0.03

Yes — add a zero  

400

Elena buys a set of 3 recipe books for $21.75. She saves $4.50 by buying the set instead of buying the books separately. If each recipe book costs the same amount individually, what is the cost of one book?

21.75 + 4.50 = 26.25
26.25 ÷ 3 = $8.75 each

500

4060.2 ÷ 0.1 = ?

40,602

500

Jade biked along a trail that was 11.2 miles long. She biked 3.5 miles every hour.
How long did the ride take her?

3.2 hours

500

Which expression is NOT equal to 25?
A. 500 ÷ 20
B. 225 ÷ 9
C. 750 ÷ 30
D. 840 ÷ 35 

D. 840 ÷ 35 = 24

 

500

3.3 ÷ 0.4

Yes — add a zero

500

Sienna buys a bundle of 4 art sketchbooks for $32.40. She saves $7.60 by buying the bundle instead of purchasing the 4 sketchbooks individually. If each sketchbook costs the same amount, how much does one sketchbook cost when purchased individually?

32.40 + 7.60 = 40.00 total if bought separately
40.00 ÷ 4 = $10.00 each