7.1 (5th Gr Int)

A

100

1.84 ÷ 0.1

18.4

200

5.8 ÷ 0.01

580

300

62.5 ÷ 10²

0.625

400

245 ÷ k = 24,500

k = 0.01

500

Newton goes on a 10-day road trip. He takes $435 with him. He spends all of his money and spends the same amount each day. How much money does he spend each day?

$435 ÷ 10 = 

$43.50

B

100

3.65 ÷ 0.1

36.5

200

2.9 ÷ 0.01

290

300

18.7 ÷ 10²

0.187

400

95.8 ÷ k = 958

k = 0.1

500

An art teacher has 68.5 pounds of clay and orders 56.5 more pounds. The teacher equally divides the clay among 100 students. How much clay does each student get?

1.25 pounds per student

Step 1) 68.5 + 56.5 = 125 total pounds of clay

Step 2) 125 ÷ 100 = 1.25 pounds each student

C

100

92.7 ÷ 0.1

927

200

63 ÷ 10²

0.63

300

Your friend says 8,705 ÷ 10³ is equivalent to 8,705 × 0.001. Is your friend correct? Explain.

No because 10³ is equal to 1,000 not 0.001

400

A contractor buys 2 adjacent lots of land. One lot is 0.55 acre and the other is 1.65 acres. The contractor divides the land equally for 10 new homes. How much land does each home have?

0.22 of an acre

Step 1) 0.55 + 1.65 = 2.20 total acres

Step 2) 2.20 ÷ 10 = 0.22 of an acre

500

A pile of 10² loonies weighs 627 grams and a pile of 10² toonies weighs 730 grams. How much more does a toonie weigh than a loonie?

1.03 grams

Step 1) 627 ÷ 10² = 6.27

Step 2) 730 ÷ 10² = 7.30

Step 3) 7.30 - 6.27 

D

100

76 ÷ 10

7.6

200

k ÷ 10³ = 0.35

k=350

300

74 ÷ 10³

0.074

400

For which equations does b = 100?

A)  49 ÷ b = 0.49

B)  247 ÷ b = 0.247

C)  1.3 ÷ b = 0.013

D)  0.5 ÷ b = 0.05

A & C

500

A museum has a replica of the Space Needle that is 6.05 feet tall. It is one-hundredth of the height of the actual Space Needle. How tall is the actual Space Needle?

605 feet tall

6.05 ÷ 0.01