Dividing Decimals
Solve: 6.4 ÷ 2 = ?
3.2
93 ÷ 10 = ?
9.3
Estimate:
37.9 ÷ 8 ≈ ?
40 ÷ 8 = 5
A box has 15.6 ounces of cereal divided equally into 4 bags.
How much cereal goes in each bag?
3.9 oz
Is 7.5 ÷ 3 closer to 2 or 20? Explain.
Closer to 2 (7.5 ÷ 3 = 2.5)
Divide: 9.81 ÷ 3
3.27
8.54 ÷ 100 = ?
0.0854
Which compatible numbers work best for:
122 ÷ 6
120 ÷ 6 = 20
Jaden ran 8.4 miles in 3 equal laps. How long was each lap?
2.8 miles
A bundle of 9 notebooks weighs 13.5 ounces.
What is the weight of 1 notebook, and is the answer reasonable?
1.5 ounces; reasonable because 1.5 × 9 = 13.5
Find the quotient: 14.4 ÷ 0.6
24
Which is greater?
6.35 ÷ 10 or 6.35 ÷ 100
6.35 ÷ 10 (because it is larger)
Estimate:
61.3 ÷ 7
(round to numbers that divide easily)
63 ÷ 7 = 9
A poster has an area of 57.6 sq ft and a width of 6.4 ft.What is the length?
9 ft
Estimate AND solve:
72.16 ÷ 8
Estimate: 72 ÷ 8 = 9 → Exact: 9.02
A ribbon is 22.5 meters long. If it is cut into 5 equal pieces, how long is each piece?
4.5 meters
Fill in the exponent:
7,200 ÷ 10ⁿ = 72
n = 2
(7,200 ÷ 10² = 72)
Which is the BEST estimate for
96.2 ÷ 11?
A) 100 ÷ 10
B) 90 ÷ 12
C) 110 ÷ 11
D) 80 ÷ 8
A:100 ÷ 10 = 10 (best estimate)
A total of 96.8 ounces of juice is poured equally into 8 bottles.How much is in each?
12.1 oz
If 5 pounds of nuts cost $12.50,
how much do 12 pounds cost?
Unit rate: 12.50 ÷ 5 = 2.50 per lb
12 × 2.5 = $30
Divide: 45 ÷ 0.75
500: 60
Explain how the decimal moves in:
54.9 ÷ 10³
Move decimal 3 places left → 0.0549
A school has 342 pencils to divide among 9 classes.
Estimate how many each class will get.
342 ÷ 9 ≈ 360 ÷ 9 = 40
A baker uses 13.5 cups of flour to make 6 identical loaves of bread. How much flour is in each loaf?
2.25 cups
A water tank holds 96 liters. One bottle holds 0.4 liters. How many bottles can be filled? Explain if your answer is reasonable.
96 ÷ 0.4 = 240 bottles
Reasonable: 0.4 is close to ½ → you’d expect about double the number → close to 200