Multiplying, dividing and mixed operations · Ages 9–10
Same tens, ones make 10 worksheet
Part of: Multiplying and dividing by two digits; divisibility
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Same tens, ones make 10 worksheet
Multiplying, dividing and mixed operations · Ages 9–10
Numsprite
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Name:Date:Score:／48
Write each answer in the space. For word problems, show your working and write a sentence answer.
Part A: Working out and filling in (2 marks each)
1.51 × 59
Answer:
2.46 × 44
Answer:
3.38 × 32
Answer:
4.76 × 74
Answer:
5.43 × 47
Answer:
6.12 × 18
Answer:
7.52 × 58
Answer:
8.77 × 73
Answer:
9.88 × 82
Answer:
10.75 × 75
Answer:
11.48 × 42
Answer:
12.54 × 56
Answer:
Part B: Word problems (4 marks each)
13.A backpack costs $94. A company buys 96 as prizes. How many dollars must it pay?
Working:
Answer:
14.A theatre has 85 rows with 85 seats in each. How many seats does it have?
Working:
Answer:
15.Each crate holds 41 oranges. A fruit shop gets 49 crates. How many oranges is that?
Working:
Answer:
16.A backpack costs $14. A company buys 16 as prizes. How many dollars must it pay?
Working:
Answer:
17.Each crate holds 54 oranges. A fruit shop gets 56 crates. How many oranges is that?
Working:
Answer:
18.A theatre has 58 rows with 52 seats in each. How many seats does it have?
Working:
Answer:
Show the answers and working
Same tens, ones make 10 worksheet: Answers and working
Part A: Working out and filling in
1. 51 × 59 = 3009
51 × 59: the same tens, and the ones make 1 + 9 = 10. Front 5 × 6 = 30, back 1 × 9 = 9, the back is always two digits: 9 is written 09, front then back → 3009
2. 46 × 44 = 2024
46 × 44: the same tens, and the ones make 6 + 4 = 10. Front 4 × 5 = 20, back 6 × 4 = 24, front then back → 2024
3. 38 × 32 = 1216
38 × 32: the same tens, and the ones make 8 + 2 = 10. Front 3 × 4 = 12, back 8 × 2 = 16, front then back → 1216
4. 76 × 74 = 5624
76 × 74: the same tens, and the ones make 6 + 4 = 10. Front 7 × 8 = 56, back 6 × 4 = 24, front then back → 5624
5. 43 × 47 = 2021
43 × 47: the same tens, and the ones make 3 + 7 = 10. Front 4 × 5 = 20, back 3 × 7 = 21, front then back → 2021
6. 12 × 18 = 216
12 × 18: the same tens, and the ones make 2 + 8 = 10. Front 1 × 2 = 2, back 2 × 8 = 16, front then back → 216
7. 52 × 58 = 3016
52 × 58: the same tens, and the ones make 2 + 8 = 10. Front 5 × 6 = 30, back 2 × 8 = 16, front then back → 3016
8. 77 × 73 = 5621
77 × 73: the same tens, and the ones make 7 + 3 = 10. Front 7 × 8 = 56, back 7 × 3 = 21, front then back → 5621
9. 88 × 82 = 7216
88 × 82: the same tens, and the ones make 8 + 2 = 10. Front 8 × 9 = 72, back 8 × 2 = 16, front then back → 7216
10. 75 × 75 = 5625
75 × 75: the same tens, and the ones make 5 + 5 = 10. Front 7 × 8 = 56, back 5 × 5 = 25, front then back → 5625
11. 48 × 42 = 2016
48 × 42: the same tens, and the ones make 8 + 2 = 10. Front 4 × 5 = 20, back 8 × 2 = 16, front then back → 2016
12. 54 × 56 = 3024
54 × 56: the same tens, and the ones make 4 + 6 = 10. Front 5 × 6 = 30, back 4 × 6 = 24, front then back → 3024
Part B: Word problems
Marking: 2 for the working, 1 for the answer, 1 for the sentence.
13. A backpack costs $94. A company buys 96 as prizes. How many dollars must it pay? (Answer: 9024 dollars)
94 × 96 = 9024
14. A theatre has 85 rows with 85 seats in each. How many seats does it have? (Answer: 7225 seats)
85 × 85 = 7225
15. Each crate holds 41 oranges. A fruit shop gets 49 crates. How many oranges is that? (Answer: 2009 oranges)
49 × 41 = 2009
16. A backpack costs $14. A company buys 16 as prizes. How many dollars must it pay? (Answer: 224 dollars)
14 × 16 = 224
17. Each crate holds 54 oranges. A fruit shop gets 56 crates. How many oranges is that? (Answer: 3024 oranges)
56 × 54 = 3024
18. A theatre has 58 rows with 52 seats in each. How many seats does it have? (Answer: 3016 seats)
58 × 52 = 3016
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