Multiplying, dividing and mixed operations · Ages 8–9
Three-digit × one-digit worksheet
Part of: Multiplying by a one-digit number
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Three-digit × one-digit worksheet
Multiplying, dividing and mixed operations · Ages 8–9
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)
1.394 × 4
Answer:
2.646 × 7
Answer:
3.550 × 5
Answer:
4.497 × 6
Answer:
5.135 × 9
Answer:
6.680 × 7
Answer:
7.9 × 841
Answer:
8.110 × 7
Answer:
9.475 × 7
Answer:
10.199 × 9
Answer:
11.587 × 6
Answer:
12.633 × 9
Answer:
Part B: Word problems (4 marks each)
13.A pack of printer paper has 938 sheets. An office buys 6 packs and uses 37 sheets. How many sheets are left?
Working:
Answer:
14.A tablet costs $788. An office buys 2 of them. How many dollars must it pay?
Working:
Answer:
15.A tablet costs $988. An office buys 4 of them. How many dollars must it pay?
Working:
Answer:
16.Ka-yee takes 903 steps to walk from home to the park. How many steps does she take walking to the park on 3 days (not counting the way home)?
Working:
Answer:
17.A pack of printer paper has 692 sheets. An office buys 6 packs and uses 78 sheets. How many sheets are left?
Working:
Answer:
18.Ka-lok takes 183 steps to walk from home to the park. How many steps does he take walking to the park on 8 days (not counting the way home)?
Working:
Answer:
Show the answers and working
Three-digit × one-digit worksheet: Answers and working
Part A: Working out and filling in
1. 394 × 4 = 1576
394 × 4: split 394 into 300 + 90 + 4, 300 × 4 = 1200, 90 × 4 = 360, 4 × 4 = 16, 1200 + 360 = 1560, 1560 + 16 = 1576
2. 646 × 7 = 4522
646 × 7: split 646 into 600 + 40 + 6, 600 × 7 = 4200, 40 × 7 = 280, 6 × 7 = 42, 4200 + 280 = 4480, 4480 + 42 = 4522
3. 550 × 5 = 2750
550 × 5: split 550 into 500 + 50, 500 × 5 = 2500, 50 × 5 = 250, 2500 + 250 = 2750
4. 497 × 6 = 2982
497 × 6: split 497 into 400 + 90 + 7, 400 × 6 = 2400, 90 × 6 = 540, 7 × 6 = 42, 2400 + 540 = 2940, 2940 + 42 = 2982
5. 135 × 9 = 1215
135 × 9: split 135 into 100 + 30 + 5, 100 × 9 = 900, 30 × 9 = 270, 5 × 9 = 45, 900 + 270 = 1170, 1170 + 45 = 1215
6. 680 × 7 = 4760
680 × 7: split 680 into 600 + 80, 600 × 7 = 4200, 80 × 7 = 560, 4200 + 560 = 4760
7. 9 × 841 = 7569
9 × 841: the order can swap, so work out 841 × 9. 841 × 9: split 841 into 800 + 40 + 1, 800 × 9 = 7200, 40 × 9 = 360, 1 × 9 = 9, 7200 + 360 = 7560, 7560 + 9 = 7569
8. 110 × 7 = 770
110 × 7: split 110 into 100 + 10, 100 × 7 = 700, 10 × 7 = 70, 700 + 70 = 770
9. 475 × 7 = 3325
475 × 7: split 475 into 400 + 70 + 5, 400 × 7 = 2800, 70 × 7 = 490, 5 × 7 = 35, 2800 + 490 = 3290, 3290 + 35 = 3325
10. 199 × 9 = 1791
199 × 9: split 199 into 100 + 90 + 9, 100 × 9 = 900, 90 × 9 = 810, 9 × 9 = 81, 900 + 810 = 1710, 1710 + 81 = 1791
11. 587 × 6 = 3522
587 × 6: split 587 into 500 + 80 + 7, 500 × 6 = 3000, 80 × 6 = 480, 7 × 6 = 42, 3000 + 480 = 3480, 3480 + 42 = 3522
12. 633 × 9 = 5697
633 × 9: split 633 into 600 + 30 + 3, 600 × 9 = 5400, 30 × 9 = 270, 3 × 9 = 27, 5400 + 270 = 5670, 5670 + 27 = 5697
Part B: Word problems
Marking: 2 for the working, 1 for the answer, 1 for the sentence.
13. A pack of printer paper has 938 sheets. An office buys 6 packs and uses 37 sheets. How many sheets are left? (Answer: 5591 sheets)
938 × 6 = 5628; 938 × 6 − 37 = 5591
14. A tablet costs $788. An office buys 2 of them. How many dollars must it pay? (Answer: 1576 dollars)
788 × 2 = 1576
15. A tablet costs $988. An office buys 4 of them. How many dollars must it pay? (Answer: 3952 dollars)
988 × 4 = 3952
16. Ka-yee takes 903 steps to walk from home to the park. How many steps does she take walking to the park on 3 days (not counting the way home)? (Answer: 2709 steps)
903 × 3 = 2709
17. A pack of printer paper has 692 sheets. An office buys 6 packs and uses 78 sheets. How many sheets are left? (Answer: 4074 sheets)
692 × 6 = 4152; 692 × 6 − 78 = 4074
18. Ka-lok takes 183 steps to walk from home to the park. How many steps does he take walking to the park on 8 days (not counting the way home)? (Answer: 1464 steps)
183 × 8 = 1464
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