Chapter 14 — Practice 1
18 original mixed questions
Practice earlier ideas together. Check answers only after you have completed an attempt.
Calculate 0.7 × 4.
Show answer and reasoning
The displayed decimal contains 7 tenths. Multiply the number of equal units by 4: 28 tenths = 2.8.
Calculate 4.21 × 4.
Show answer and reasoning
Repeated addition or distribution: 421 hundredths ×4=1684 hundredths=16.84.
Calculate 1.73 × 14, where 14 is a whole number.
Show answer and reasoning
Use (10+4) groups: 173 hundredths ×14=2422 hundredths = 24.22.
Calculate 0.60 ÷ 5.
Show answer and reasoning
Share 60 hundredths equally among 5 groups: 12 hundredths each = 0.12.
Calculate 4.15 ÷ 5.
Show answer and reasoning
415 hundredths ÷5=83 hundredths = 0.83. Verify by multiplying.
Divide 11.64 equally among 6 people. How much does each receive?
Show answer and reasoning
Convert to hundredths: 1164÷6=194 hundredths = 1.94. Exchange hundreds/tenths when needed.
24.30 liters of juice are shared equally into 6 containers. How many liters per container?
Show answer and reasoning
2430 hundredths ÷6=405 hundredths = 4.05 liters. Check 4.05×6=24.30.
Calculate 0.3 × 5.
Show answer and reasoning
The displayed decimal contains 3 tenths. Multiply the number of equal units by 5: 15 tenths = 1.5.
Calculate 2.91 × 8.
Show answer and reasoning
Repeated addition or distribution: 291 hundredths ×8=2328 hundredths=23.28.
Calculate 1.67 × 18, where 18 is a whole number.
Show answer and reasoning
Use (10+8) groups: 167 hundredths ×18=3006 hundredths = 30.06.
Calculate 0.70 ÷ 5.
Show answer and reasoning
Share 70 hundredths equally among 5 groups: 14 hundredths each = 0.14.
Calculate 3.38 ÷ 2.
Show answer and reasoning
338 hundredths ÷2=169 hundredths = 1.69. Verify by multiplying.
Divide 8.07 equally among 3 people. How much does each receive?
Show answer and reasoning
Convert to hundredths: 807÷3=269 hundredths = 2.69. Exchange hundreds/tenths when needed.
21.98 liters of juice are shared equally into 7 containers. How many liters per container?
Show answer and reasoning
2198 hundredths ÷7=314 hundredths = 3.14 liters. Check 3.14×7=21.98.
Calculate 0.9 × 5.
Show answer and reasoning
The displayed decimal contains 9 tenths. Multiply the number of equal units by 5: 45 tenths = 4.5.
Calculate 1.85 × 3.
Show answer and reasoning
Repeated addition or distribution: 185 hundredths ×3=555 hundredths=5.55.
Calculate 2.75 × 20, where 20 is a whole number.
Show answer and reasoning
Use (20+0) groups: 275 hundredths ×20=5500 hundredths = 55.00.
Calculate 0.40 ÷ 5.
Show answer and reasoning
Share 40 hundredths equally among 5 groups: 8 hundredths each = 0.08.