Multiplication
2-Digit by 1-Digit numbers
Multiplication
2-Digit by 1-Digit Numbers
LEARNING OBJECTIVE: I can multiply two-digit numbers
by one-digit numbers using the formal method.
• Carry above.
• Practice Questions.
• Word problems.
Multiplication
CARRY ABOVE
2
Carrying Above
2 6
× 4
4
First multiply the ones:
6×4 = 24
Carry any tens.
Carrying
Above
2
2 6
× 4
10
4
104
Then multiply 2 by 4
2×4 = 8
Add any carried
numbers:
8 + 2 = 10
26×4 = 104
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Multiplication
PRACTICE QUESTIONS
Practice Questions
1.
next
1
2 4
× 4
96
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Answer
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Carrying
Practice Questions
2.
next
1
2 2
× 5
110
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Answer
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Carrying
Practice Questions
3.
next
4
1 8
× 5
90
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Answer
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Carrying
Practice Questions
4.
next
1
2 6
× 3
78
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Answer
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Carrying
Practice Questions
5.
next
1 2
×15
60
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Answer
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Carrying
Practice Questions
6.
next
1
4 8
× 2
96
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Answer
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Carrying
Practice Questions
7.
next
4 1
× 9
369
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Answer
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Carrying
Practice Questions
8.
next
3 1
× 7
217
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Answer
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Carrying
Practice Questions
9.
next
2
4 4
× 7
308
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Answer
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Carrying
Practice Questions
10.
next
1
3 2
× 7
224
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Answer
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Carrying
Multiplication
WORD PROBLEMS
Word Problems
1. Six children each have 18 marbles. How many
marbles are there altogether?
4
1 8
× 6
108
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Carrying
Word Problems
2. How many shoes are there in seventy-two
pairs of shoes?
7 2
× 2
144
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Answer
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Word Problems
3. A baker bakes 32 loaves every day in a week. How
many loaves are baked in the week?
1
3 2
× 7
224
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Answer
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Carrying
Word Problems
4. There are 28 pencils in a box. How many pencils are
there in four boxes?
3
2 8
× 4
112
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Answer
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Carrying
Word Problems
5. There are 57 children in Year Three. Each child is given five
pencils. How many pencils are given to the children?
3
5 7
× 5
285
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Answer
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Carrying