2-digit multiplication practice worksheet for math education.
A 2-digit multiplication worksheet from K5 Learning featuring 20 multiplication problems with two-digit numbers.
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ID: #638991
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Show Answer Key & Explanations
Step-by-step solution for: Multiply 2 x 2 digits worksheets | Worsheets library
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Show Answer Key & Explanations
Step-by-step solution for: Multiply 2 x 2 digits worksheets | Worsheets library
Let’s solve each multiplication problem step by step. We’ll do them one at a time, carefully checking our work.
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First row:
1. 79 × 67
Break it down:
- 79 × 60 = 4740
- 79 × 7 = 553
- Add: 4740 + 553 = 5293
✔ Check: 80×67 = 5360 → minus 1×67 = 67 → 5360 - 67 = 5293 ✔️
2. 57 × 20
Easy! Just multiply 57 × 2 = 114, then add a zero → 1140
✔ Check: 50×20=1000, 7×20=140 → 1000+140=1140 ✔️
3. 71 × 65
Break it:
- 71 × 60 = 4260
- 71 × 5 = 355
- Add: 4260 + 355 = 4615
✔ Check: 70×65=4550, plus 1×65=65 → 4550+65=4615 ✔️
4. 51 × 43
Break it:
- 51 × 40 = 2040
- 51 × 3 = 153
- Add: 2040 + 153 = 2193
✔ Check: 50×43=2150, plus 1×43=43 → 2150+43=2193 ✔️
5. 24 × 55
Break it:
- 24 × 50 = 1200
- 24 × 5 = 120
- Add: 1200 + 120 = 1320
✔ Check: 25×55=1375, minus 1×55=55 → 1375-55=1320 ✔️
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Second row:
6. 35 × 14
Break it:
- 35 × 10 = 350
- 35 × 4 = 140
- Add: 350 + 140 = 490
✔ Check: 30×14=420, 5×14=70 → 420+70=490 ✔️
7. 64 × 81
Break it:
- 64 × 80 = 5120
- 64 × 1 = 64
- Add: 5120 + 64 = 5184
✔ Check: 60×81=4860, 4×81=324 → 4860+324=5184 ✔️
8. 58 × 37
Break it:
- 58 × 30 = 1740
- 58 × 7 = 406
- Add: 1740 + 406 = 2146
✔ Check: 60×37=2220, minus 2×37=74 → 2220-74=2146 ✔️
9. 34 × 54
Break it:
- 34 × 50 = 1700
- 34 × 4 = 136
- Add: 1700 + 136 = 1836
✔ Check: 30×54=1620, 4×54=216 → 1620+216=1836 ✔️
10. 14 × 9
Simple: 10×9=90, 4×9=36 → 90+36=126
✔ Check: 14×10=140 minus 14=126 ✔️
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Third row:
11. 14 × 81
Break it:
- 14 × 80 = 1120
- 14 × 1 = 14
- Add: 1120 + 14 = 1134
✔ Check: 10×81=810, 4×81=324 → 810+324=1134 ✔️
12. 59 × 37
Break it:
- 59 × 30 = 1770
- 59 × 7 = 413
- Add: 1770 + 413 = 2183
✔ Check: 60×37=2220, minus 1×37=37 → 2220-37=2183 ✔️
13. 64 × 64
This is 64 squared.
- 60×60=3600
- 60×4=240 (twice) → 480
- 4×4=16
- Total: 3600 + 480 + 16 = 4096
✔ Or: 64×64 = (60+4)(60+4) = same as above ✔️
14. 68 × 67
Break it:
- 68 × 60 = 4080
- 68 × 7 = 476
- Add: 4080 + 476 = 4556
✔ Check: 70×67=4690, minus 2×67=134 → 4690-134=4556 ✔️
15. 81 × 84
Break it:
- 81 × 80 = 6480
- 81 × 4 = 324
- Add: 6480 + 324 = 6804
✔ Check: 80×84=6720, plus 1×84=84 → 6720+84=6804 ✔️
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Fourth row:
16. 47 × 72
Break it:
- 47 × 70 = 3290
- 47 × 2 = 94
- Add: 3290 + 94 = 3384
✔ Check: 50×72=3600, minus 3×72=216 → 3600-216=3384 ✔️
17. 49 × 46
Break it:
- 49 × 40 = 1960
- 49 × 6 = 294
- Add: 1960 + 294 = 2254
✔ Check: 50×46=2300, minus 1×46=46 → 2300-46=2254 ✔️
18. 96 × 54
Break it:
- 96 × 50 = 4800
- 96 × 4 = 384
- Add: 4800 + 384 = 5184
✔ Check: 100×54=5400, minus 4×54=216 → 5400-216=5184 ✔️
19. 14 × 32
Break it:
- 14 × 30 = 420
- 14 × 2 = 28
- Add: 420 + 28 = 448
✔ Check: 10×32=320, 4×32=128 → 320+128=448 ✔️
20. 78 × 49
Break it:
- 78 × 50 = 3900
- Minus 78 × 1 = 78
- So: 3900 - 78 = 3822
✔ Check: 80×49=3920, minus 2×49=98 → 3920-98=3822 ✔️
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Final Answer:
Here are all the answers in order:
Row 1:
5293, 1140, 4615, 2193, 1320
Row 2:
490, 5184, 2146, 1836, 126
Row 3:
1134, 2183, 4096, 4556, 6804
Row 4:
3384, 2254, 5184, 448, 3822
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First row:
1. 79 × 67
Break it down:
- 79 × 60 = 4740
- 79 × 7 = 553
- Add: 4740 + 553 = 5293
✔ Check: 80×67 = 5360 → minus 1×67 = 67 → 5360 - 67 = 5293 ✔️
2. 57 × 20
Easy! Just multiply 57 × 2 = 114, then add a zero → 1140
✔ Check: 50×20=1000, 7×20=140 → 1000+140=1140 ✔️
3. 71 × 65
Break it:
- 71 × 60 = 4260
- 71 × 5 = 355
- Add: 4260 + 355 = 4615
✔ Check: 70×65=4550, plus 1×65=65 → 4550+65=4615 ✔️
4. 51 × 43
Break it:
- 51 × 40 = 2040
- 51 × 3 = 153
- Add: 2040 + 153 = 2193
✔ Check: 50×43=2150, plus 1×43=43 → 2150+43=2193 ✔️
5. 24 × 55
Break it:
- 24 × 50 = 1200
- 24 × 5 = 120
- Add: 1200 + 120 = 1320
✔ Check: 25×55=1375, minus 1×55=55 → 1375-55=1320 ✔️
---
Second row:
6. 35 × 14
Break it:
- 35 × 10 = 350
- 35 × 4 = 140
- Add: 350 + 140 = 490
✔ Check: 30×14=420, 5×14=70 → 420+70=490 ✔️
7. 64 × 81
Break it:
- 64 × 80 = 5120
- 64 × 1 = 64
- Add: 5120 + 64 = 5184
✔ Check: 60×81=4860, 4×81=324 → 4860+324=5184 ✔️
8. 58 × 37
Break it:
- 58 × 30 = 1740
- 58 × 7 = 406
- Add: 1740 + 406 = 2146
✔ Check: 60×37=2220, minus 2×37=74 → 2220-74=2146 ✔️
9. 34 × 54
Break it:
- 34 × 50 = 1700
- 34 × 4 = 136
- Add: 1700 + 136 = 1836
✔ Check: 30×54=1620, 4×54=216 → 1620+216=1836 ✔️
10. 14 × 9
Simple: 10×9=90, 4×9=36 → 90+36=126
✔ Check: 14×10=140 minus 14=126 ✔️
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Third row:
11. 14 × 81
Break it:
- 14 × 80 = 1120
- 14 × 1 = 14
- Add: 1120 + 14 = 1134
✔ Check: 10×81=810, 4×81=324 → 810+324=1134 ✔️
12. 59 × 37
Break it:
- 59 × 30 = 1770
- 59 × 7 = 413
- Add: 1770 + 413 = 2183
✔ Check: 60×37=2220, minus 1×37=37 → 2220-37=2183 ✔️
13. 64 × 64
This is 64 squared.
- 60×60=3600
- 60×4=240 (twice) → 480
- 4×4=16
- Total: 3600 + 480 + 16 = 4096
✔ Or: 64×64 = (60+4)(60+4) = same as above ✔️
14. 68 × 67
Break it:
- 68 × 60 = 4080
- 68 × 7 = 476
- Add: 4080 + 476 = 4556
✔ Check: 70×67=4690, minus 2×67=134 → 4690-134=4556 ✔️
15. 81 × 84
Break it:
- 81 × 80 = 6480
- 81 × 4 = 324
- Add: 6480 + 324 = 6804
✔ Check: 80×84=6720, plus 1×84=84 → 6720+84=6804 ✔️
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Fourth row:
16. 47 × 72
Break it:
- 47 × 70 = 3290
- 47 × 2 = 94
- Add: 3290 + 94 = 3384
✔ Check: 50×72=3600, minus 3×72=216 → 3600-216=3384 ✔️
17. 49 × 46
Break it:
- 49 × 40 = 1960
- 49 × 6 = 294
- Add: 1960 + 294 = 2254
✔ Check: 50×46=2300, minus 1×46=46 → 2300-46=2254 ✔️
18. 96 × 54
Break it:
- 96 × 50 = 4800
- 96 × 4 = 384
- Add: 4800 + 384 = 5184
✔ Check: 100×54=5400, minus 4×54=216 → 5400-216=5184 ✔️
19. 14 × 32
Break it:
- 14 × 30 = 420
- 14 × 2 = 28
- Add: 420 + 28 = 448
✔ Check: 10×32=320, 4×32=128 → 320+128=448 ✔️
20. 78 × 49
Break it:
- 78 × 50 = 3900
- Minus 78 × 1 = 78
- So: 3900 - 78 = 3822
✔ Check: 80×49=3920, minus 2×49=98 → 3920-98=3822 ✔️
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Final Answer:
Here are all the answers in order:
Row 1:
5293, 1140, 4615, 2193, 1320
Row 2:
490, 5184, 2146, 1836, 126
Row 3:
1134, 2183, 4096, 4556, 6804
Row 4:
3384, 2254, 5184, 448, 3822
Parent Tip: Review the logic above to help your child master the concept of multiplying by 2 digits worksheet.
