Chapter 14: Chapter review
39 questions · with revealable worked answers
Calculate 0.3 × 7.
Show answer and reasoning
The displayed decimal contains 3 tenths. Multiply the number of equal units by 7: 21 tenths = 2.1.
Calculate 1.88 × 2.
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Repeated addition or distribution: 188 hundredths ×2=376 hundredths=3.76.
Calculate 2.60 × 17, where 17 is a whole number.
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Use (10+7) groups: 260 hundredths ×17=4420 hundredths = 44.20.
Calculate 0.84 ÷ 6.
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Share 84 hundredths equally among 6 groups: 14 hundredths each = 0.14.
Calculate 1.60 ÷ 2.
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160 hundredths ÷2=80 hundredths = 0.80. Verify by multiplying.
Divide 5.75 equally among 5 people. How much does each receive?
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Convert to hundredths: 575÷5=115 hundredths = 1.15. Exchange hundreds/tenths when needed.
41.49 liters of juice are shared equally into 9 containers. How many liters per container?
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4149 hundredths ÷9=461 hundredths = 4.61 liters. Check 4.61×9=41.49.
Calculate 0.7 × 3.
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The displayed decimal contains 7 tenths. Multiply the number of equal units by 3: 21 tenths = 2.1.
Calculate 1.90 × 8.
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Repeated addition or distribution: 190 hundredths ×8=1520 hundredths=15.20.
Calculate 2.40 × 13, where 13 is a whole number.
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Use (10+3) groups: 240 hundredths ×13=3120 hundredths = 31.20.
Calculate 0.12 ÷ 6.
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Share 12 hundredths equally among 6 groups: 2 hundredths each = 0.02.
Calculate 11.22 ÷ 6.
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1122 hundredths ÷6=187 hundredths = 1.87. Verify by multiplying.
Divide 9.32 equally among 4 people. How much does each receive?
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Convert to hundredths: 932÷4=233 hundredths = 2.33. Exchange hundreds/tenths when needed.
18.64 liters of juice are shared equally into 8 containers. How many liters per container?
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1864 hundredths ÷8=233 hundredths = 2.33 liters. Check 2.33×8=18.64.
Calculate 0.5 × 5.
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The displayed decimal contains 5 tenths. Multiply the number of equal units by 5: 25 tenths = 2.5.
Calculate 3.47 × 3.
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Repeated addition or distribution: 347 hundredths ×3=1041 hundredths=10.41.
Calculate 2.06 × 18, where 18 is a whole number.
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Use (10+8) groups: 206 hundredths ×18=3708 hundredths = 37.08.
Calculate 0.36 ÷ 6.
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Share 36 hundredths equally among 6 groups: 6 hundredths each = 0.06.
Calculate 5.79 ÷ 3.
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579 hundredths ÷3=193 hundredths = 1.93. Verify by multiplying.
Divide 6.60 equally among 5 people. How much does each receive?
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Convert to hundredths: 660÷5=132 hundredths = 1.32. Exchange hundreds/tenths when needed.
22.32 liters of juice are shared equally into 4 containers. How many liters per container?
Show answer and reasoning
2232 hundredths ÷4=558 hundredths = 5.58 liters. Check 5.58×4=22.32.
Calculate 0.8 × 5.
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The displayed decimal contains 8 tenths. Multiply the number of equal units by 5: 40 tenths = 4.0.
Calculate 4.19 × 3.
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Repeated addition or distribution: 419 hundredths ×3=1257 hundredths=12.57.
Calculate 2.17 × 21, where 21 is a whole number.
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Use (20+1) groups: 217 hundredths ×21=4557 hundredths = 45.57.
Calculate 0.08 ÷ 4.
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Share 8 hundredths equally among 4 groups: 2 hundredths each = 0.02.
Calculate 2.30 ÷ 2.
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230 hundredths ÷2=115 hundredths = 1.15. Verify by multiplying.
Divide 11.00 equally among 5 people. How much does each receive?
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Convert to hundredths: 1100÷5=220 hundredths = 2.20. Exchange hundreds/tenths when needed.
14.43 liters of juice are shared equally into 3 containers. How many liters per container?
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1443 hundredths ÷3=481 hundredths = 4.81 liters. Check 4.81×3=14.43.
Calculate 0.5 × 9.
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The displayed decimal contains 5 tenths. Multiply the number of equal units by 9: 45 tenths = 4.5.
Calculate 2.46 × 6.
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Repeated addition or distribution: 246 hundredths ×6=1476 hundredths=14.76.
Calculate 1.95 × 14, where 14 is a whole number.
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Use (10+4) groups: 195 hundredths ×14=2730 hundredths = 27.30.
Calculate 0.45 ÷ 3.
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Share 45 hundredths equally among 3 groups: 15 hundredths each = 0.15.
Calculate 0.3 × 9. Explain how place value or a model can check your result.
Show answer and reasoning
The displayed decimal contains 3 tenths. Multiply the number of equal units by 9: 27 tenths = 2.7. A correct explanation should name the relevant fractional place values and verify the answer.
Calculate 2.10 × 3. Explain how place value or a model can check your result.
Show answer and reasoning
Repeated addition or distribution: 210 hundredths ×3=630 hundredths=6.30. A correct explanation should name the relevant fractional place values and verify the answer.
Calculate 2.25 × 11, where 11 is a whole number. Explain how place value or a model can check your result.
Show answer and reasoning
Use (10+1) groups: 225 hundredths ×11=2475 hundredths = 24.75. A correct explanation should name the relevant fractional place values and verify the answer.
Calculate 0.04 ÷ 2. Explain how place value or a model can check your result.
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Share 4 hundredths equally among 2 groups: 2 hundredths each = 0.02. A correct explanation should name the relevant fractional place values and verify the answer.
Calculate 3.16 ÷ 2. Explain how place value or a model can check your result.
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316 hundredths ÷2=158 hundredths = 1.58. Verify by multiplying. A correct explanation should name the relevant fractional place values and verify the answer.
Divide 13.36 equally among 8 people. How much does each receive? Explain how place value or a model can check your result.
Show answer and reasoning
Convert to hundredths: 1336÷8=167 hundredths = 1.67. Exchange hundreds/tenths when needed. A correct explanation should name the relevant fractional place values and verify the answer.
6.08 liters of juice are shared equally into 2 containers. How many liters per container? Explain how place value or a model can check your result.
Show answer and reasoning
608 hundredths ÷2=304 hundredths = 3.04 liters. Check 3.04×2=6.08. A correct explanation should name the relevant fractional place values and verify the answer.