Multiply By Two Digits
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Transcript of Multiply By Two Digits
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Multiply By Two DigitsMultiply By Two Digits
Created by M. Guy
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- 3.A.1.a Use technology tools, including software and hardware, from a range of teacher-selected options to learn new content or reinforce skills.
• Maryland Technology Literacy Student Standard (MTLSS)
• Maryland VSC Standard
-6.C.1.c - Multiply whole numbers
Our StandardsOur Standards
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Let’s ReviewLet’s Review
Factors- Numbers multiplied together
Product- The answer in a multiplication equation
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Two Digit Multiplication Two Digit Multiplication
26x 12
The first step is to make sure the place values are lined up.
OnesTens
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Two Digit Multiplication Two Digit Multiplication
26x 12
Begin with multiplying the bottom factor’s one’s place with the top factors one’s place.
Think, 2 x 6 equals 12.
Because there is still the tens place to multiply, you must carry the 1.
2
1
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Two Digit Multiplication Two Digit Multiplication
26x 12
Next, multiply the 2 and the other 2. Then, remember to add your carry of 1.
Think, 2x2=4+1=5
2
1
5
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Two Digit Multiplication Two Digit Multiplication
26x 12
Next, because we are going to the next place value (tens), we need to use a 0 for a place holder. Place the 0 under the 2 in the products line.
Erase your carry from before.
2
1
50
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Two Digit Multiplication Two Digit Multiplication
26x 12
Next, begin to multiply the 1in the tens place with the top line factor.
Think 1x6=6.
2506
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Two Digit Multiplication Two Digit Multiplication
26x 12
Think 1x2=2.
25062
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Two Digit Multiplication Two Digit Multiplication
26x 12
Finally, add the two product lines to find the final product.
25062+213
1
Add the ones place. Carry is necessary.
Add the tens place. Carry is necessary.
Add the hundreds place. Carry is necessary.
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The product is The product is 312312
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3434x 19x 19
656
646
677
No of t
hese
0% 0%0%0%
1.1. 656656
2.2. 646646
3.3. 677677
4.4. No of theseNo of these
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
34x 19
60043+646
3
3
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5454x 23x 23
1242
1244
1342
1142
0% 0%0%0%
1.1. 1,2421,242
2.2. 1,2441,244
3.3. 1,3421,342
4.4. 1,1421,142
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
54x 23
2608 10+242
1
1
1
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4141x x 1818
748
778
738
728
0% 0%0%0%
1.1. 748748
2.2. 778778
3.3. 738738
4.4. 728728
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
41x 18
8201 4+837
3
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6868x x 3535
2370
2345
3270
2380
0% 0%0%0%
1.1. 2,3702,370
2.2. 2,3452,345
3.3. 3,2703,270
4.4. 2,3802,380
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
68x 35
0404 20+083
4
3
2
2
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7676x 52x 52
3952
4952
3852
3552
0% 0%0%0%
1.1. 3,9523,952
2.2. 4,9524,952
3.3. 3,8523,852
4.4. 3,5523,552
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
76x 52
2500 38+259
1
1
3
3
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9494x x 7676
7244
7144
6144
6244
0% 0%0%0%
1.1. 7,0447,044
2.2. 7,1447,144
3.3. 6,0446,044
4.4. 6,2446,244
11 22 33 44 55 66 77 88 99 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020
2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232
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Two Digit Multiplication Two Digit Multiplication
94x 76
4608 65+441
2
5
7
2