Let’s solve each problem step by step. We’ll match the phrase to the correct expression by following the order of operations described in each sentence.
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1. Add 1 and 9, then multiply by 2.
→ First: 1 + 9 = 10
→ Then: 10 × 2 = 20
Look for an expression that does (1 + 9) first, then multiplies by 2 → That’s
H: (1 + 9) x 2
✔ Match:
H
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2. Divide 45 by 9, then subtract 3.
→ First: 45 ÷ 9 = 5
→ Then: 5 - 3 = 2
Expression should be 45 ÷ 9 - 3 → That’s
D
✔ Match:
D
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3. Add 12 and 3, then multiply by 6.
→ First: 12 + 3 = 15
→ Then: 15 × 6 = 90
Expression: (12 + 3) x 6 → That’s
G
✔ Match:
G
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4. Divide 24 by 8, then add 12.
→ First: 24 8 = 3
→ Then: 3 + 12 = 15
Expression: 24 ÷ 8 + 12 → That’s
C
✔ Match:
C
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5. Subtract 4 from 12, then add 9.
→ First: 12 - 4 = 8
→ Then: 8 + 9 = 17
Expression: 12 - 4 + 9 → That’s
E
✔ Match:
E
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6. Add 8 and 6, then divide by 2.
→ First: 8 + 6 = 14
→ Then: 14 ÷ 2 = 7
Expression: (8 + 6) ÷ 2 → That’s
A
✔ Match:
A
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7. Multiply 6 and 10, then divide by 4.
→ First: 6 × 10 = 60
→ Then: 60 ÷ 4 = 15
Expression: 6 x 10 ÷ 4 → That’s
B
✔ Match:
B
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8. Subtract 3 from 8, then multiply by 9.
→ First: 8 - 3 = 5
→ Then: 5 × 9 = 45
Expression: (8 - 3) x 9 → That’s
F
✔ Match:
F
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Final Answer:
1. H
2. D
3. G
4. C
5. E
6. A
7. B
8. F
Parent Tip: Review the logic above to help your child master the concept of writing numerical expressions worksheet.
