Decimal operations · Set 1
Adding and subtracting decimals, multiplying and dividing decimals by a 1-digit number, and decimal answers to division.
Name: ______________________ Date: ____________ Score: ______ / 6
- 1
3.45 + 2.8 = ?
1 markAnswer: ______________Here's howLine up the decimal points: 3.45 + 2.80Add: 6.25Answer: 6.25 - 2
7 − 2.36 = ?
1 markAnswer: ______________Here's howWrite 7 as 7.007.00 − 2.36 = 4.64Answer: 4.64 - 3
1.25 × 4 = ?
1 markAnswer: ______________Here's how1 × 4 = 4 and 0.25 × 4 = 14 + 1 = 5Answer: 5 - 4
9.6 ÷ 3 = ?
1 markAnswer: ______________Here's how9 ÷ 3 = 3 and 0.6 ÷ 3 = 0.23 + 0.2 = 3.2Answer: 3.2 - 5
Divide 7 by 4. Give your answer as a decimal.
2 marksAnswer: ______________Here's how7 ÷ 4 = 1 remainder 3Write 7 as 7.00 and keep dividing: 3.0 ÷ 4 = 0.7 remainder 0.2, and 0.20 ÷ 4 = 0.051 + 0.7 + 0.05 = 1.75Answer: 1.75 - 6
A bottle holds 1.5 ℓ of juice. Mrs Lee buys 6 bottles. She pours out 2.75 ℓ at a party. How much juice does she have left?
3 marksAnswer: ______________Here's howTotal juice = 1.5 × 6 = 9 ℓJuice left = 9 − 2.75 = 6.25 ℓAnswer: 6.25 ℓ
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