Chapter 14 — Practice 2
18 original mixed questions
Practice earlier ideas together. Check answers only after you have completed an attempt.
Calculate 0.3 × 4.
Show answer and reasoning
The displayed decimal contains 3 tenths. Multiply the number of equal units by 4: 12 tenths = 1.2.
Calculate 3.54 × 4.
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Repeated addition or distribution: 354 hundredths ×4=1416 hundredths=14.16.
Calculate 1.17 × 18, where 18 is a whole number.
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Use (10+8) groups: 117 hundredths ×18=2106 hundredths = 21.06.
Calculate 0.45 ÷ 5.
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Share 45 hundredths equally among 5 groups: 9 hundredths each = 0.09.
Calculate 4.52 ÷ 4.
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452 hundredths ÷4=113 hundredths = 1.13. Verify by multiplying.
Divide 8.12 equally among 7 people. How much does each receive?
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Convert to hundredths: 812÷7=116 hundredths = 1.16. Exchange hundreds/tenths when needed.
20.88 liters of juice are shared equally into 4 containers. How many liters per container?
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2088 hundredths ÷4=522 hundredths = 5.22 liters. Check 5.22×4=20.88.
Calculate 0.7 × 5.
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The displayed decimal contains 7 tenths. Multiply the number of equal units by 5: 35 tenths = 3.5.
Calculate 2.94 × 4.
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Repeated addition or distribution: 294 hundredths ×4=1176 hundredths=11.76.
Calculate 1.30 × 14, where 14 is a whole number.
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Use (10+4) groups: 130 hundredths ×14=1820 hundredths = 18.20.
Calculate 0.04 ÷ 2.
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Share 4 hundredths equally among 2 groups: 2 hundredths each = 0.02.
Calculate 2.40 ÷ 3.
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240 hundredths ÷3=80 hundredths = 0.80. Verify by multiplying.
Divide 11.28 equally among 6 people. How much does each receive?
Show answer and reasoning
Convert to hundredths: 1128÷6=188 hundredths = 1.88. Exchange hundreds/tenths when needed.
12.65 liters of juice are shared equally into 5 containers. How many liters per container?
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1265 hundredths ÷5=253 hundredths = 2.53 liters. Check 2.53×5=12.65.
Calculate 0.7 × 6.
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The displayed decimal contains 7 tenths. Multiply the number of equal units by 6: 42 tenths = 4.2.
Calculate 4.30 × 4.
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Repeated addition or distribution: 430 hundredths ×4=1720 hundredths=17.20.
Calculate 2.25 × 13, where 13 is a whole number.
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Use (10+3) groups: 225 hundredths ×13=2925 hundredths = 29.25.
Calculate 0.60 ÷ 4.
Show answer and reasoning
Share 60 hundredths equally among 4 groups: 15 hundredths each = 0.15.