A method using columns to set out and calculate a multiplication is short multiplication.

The process of unitising and exchanging between place values is known as regrouping.

Multiply a 2-digit number by a 1-digit number using short multiplication (regrouping 1s to 10s)

Maths

In this unit pupils will multiply a 2-digit number by a single-digit number using partitioning and representations using expanded multiplication and using short multiplication. In the future unit pupils will multiply a 3-digit number by a single-digit number using expanded and short multiplication.

In the prior unit pupils explained the relationship between multiplying and dividing a number by 10 and multiples of 10. In this unit pupils will multiply a 2-digit number by a single-digit number using partitioning and representations using expanded multiplication and using short multiplication.

Multiplication by partitioning leading to short multiplication (2 by 1-digit)

 The answer when two or more values are multiplied together is known as the __________.

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. 

The multiplication is: 27 × 2 Which short multiplication shows this correctly?

One ticket costs £18. How much would Lucas’s tickets costs altogether? Remember to use correct notation in your answer.

Jacob is chanting his 7 times tables: 7, 14, 21, 28, ___ What comes next?

Aisha is chanting her 9 times tables: 9, 18, 27, {{ }} What comes next?

Look at the multiplication equation: 82 × 2. When multiplying in the ones column this will give us a ___ digit partial product.

Use short multiplication to calculate this question: 42 × 2 = {{  }}

Calculate and sort the multiplication equations into descending order.

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?

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