# Number pyramids

## Slide deck

Download slide deck

## Lesson details

### Key learning points

- In this lesson, we will have the opportunity to make conjectures and generalise about number pyramids.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

Share with pupils

Loading...

### 6 Questions

Q1.

Choose the option which would complete the blanks correctly: If I double the ___ times table I will have the ____ times table

10, 5

3, 5

Q2.

Choose the option which would complete the blank correctly: If I ________ the 6 times table I will have the 12 times table

Half

Triple

Q3.

Choose the option which would complete the blank correctly: If I triple the ___ times table I will have the 12 times table

2

3

Q4.

Choose the option which would complete the blank correctly: If I add the ___ and 5 times tables I will have the 7 times table

3

4

Q5.

Choose the option which would complete the blanks correctly: If I ____ the 4 and 9 times tables I will have the ___ times table

Add, 36

Add, 5

Subtract, 13

Q6.

Choose the option which would complete the blank correctly: If I subtract the ___ times table from the 12 times table I will have the 5 times table.

12

5

### 5 Questions

Q1.

Which of the calculations below is equivalent to 8 x (9 + 10) ?

9 x (8 + 10)

9 x 10 + 8 x 10

Q2.

Which of the calculations below is equivalent to 9 x 8 + 9 x 10 ?

8 x 9 + 10 x 8

9 x 10 + 8 x 10

Q3.

Which of the calculations below is equivalent to (8 + 9) x 10 ?

8 x 9 + 10 x 8

9 x (8 + 10)

Q4.

3 x ( 11 + 4) = 3 x 11 + 3 x 4 shows what property?

Associativity

Commutativity

Q5.

3 x ( 11 + 4) = (11 + 4) x 3 shows what property?

Associativity

Distributivity