Starter quiz
- Jacob is chanting his 7 times tables: 7, 14, 21, 28, ___ What comes next?
- 34
- 35 ✓
- 42
- 43
-
- Aisha is chanting her 9 times tables: 9, 18, 27, ______ What comes next?
- '36' ✓
- Look at the multiplication equation: 82 × 2. When multiplying in the ones column this will give us a ___ digit partial product.
- 1 ✓
- 2
- 3
-
- Use short multiplication to calculate this question: 42 × 2 = ______
- '84' ✓
- Calculate and sort the multiplication equations into descending order.
- 1⇔4 × 21
- 2⇔22 × 3
- 3⇔2 × 24
- 4⇔0 × 25
- The product is 2 digits. 3 and 11 are two of my many factors. This number is also a multiple of 9. What number could it be?
- '99' ✓
Exit quiz
- The answer when two or more values are multiplied together is known as the __________.
- product ✓
- factor
- partial product
- addend
-
Complete the sentence 3 × 6 ones is 18 ones. 18 is made up of 1 ten and 8 ones. I will regroup 1 ten and place it underneath the ______ column.- ones column
- tens column ✓
- hundreds column
-
I have regrouped ______ tens.- '2' ✓
- The multiplication is: 27 × 2 Which short multiplication shows this correctly?
picture 1 ✓
picture 2
picture 3
One ticket costs £18. How much would Lucas’s tickets costs altogether? Remember to use correct notation in your answer.- '£90' ✓
What is the missing factor?- '6' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- If the product of the ones digit is greater than 10, you regroup ten ones into one ten.
- Record the additional ten or tens as a small digit to be added in with the tens.
- Short multiplication results in only one product being recorded.
- There are similarities and differences between the expanded recording and short multiplication.
Common misconception
Pupils may not align or regroup correctly leading to an inaccurate calculation.
Ask children about the additional ten or tens as a small digit to be added in with the tens. What does this show? What is the value?
Keywords
Short multiplication - A method using columns to set out and calculate a multiplication is short multiplication.
Regrouping - The process of unitising and exchanging between place values is known as regrouping.
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