Arrays

• Maths
• Special Education

Arrays

What: We are working on number skills. 

How: Some of us will be focusing on recognising and matching numbers. Some of us will work on arrays, understanding what they are and how numbers can be organised in groups to help us count them.

Why: Because working with numbers is a life skill. If you do not understand numbers or how to work with them, then a task like counting out money will be impossible.

What are we learning this lesson?

1. Shapes
2. Time
3. Money
4. Arrays

How confident do you feel about what arrays are and how to use them?

😒🙁😐🙂😃

What is an array?

An array is when you organise objects into neat rows and columns. 

What is an array?

1. When you organise things into neat rows
2. When you have things muddled up

When numbers are shown in arrays it can make it easier to count what we have or count in groups, which is what multiplication is. 

Why use an array?

Why would you use an array?

1. Because it looks nice
2. It makes counting easier and quicker

For instance, these doughnuts could be counted in groups. what groups could you put them in? what would that look like as a sum?

Why use an array?

What sum could you
write for these apples?

What is multiplication? 

Multiplication seems scary, but it is just counting in groups. 

It makes counting quicker. 

Why is that important?

If you can count in 2's for example, this is the 2 times tables. Counting in 2's means you could count 2p or £2 coins when you are shopping. 

Multiplication is the process of combining equal groups to create a total, and it can be understood as "groups of":

Which is the correct symbol/operation for multiplication?

1. 
2. 
3. 
4. 

Making arrays 

Around the room are lots of stations with objects that need organising into arrays. Go to a station, look at how I would like you to organise them, such as: 

"Please put the pens into 4 groups of 3" 

Organise the items. Can you write the sum?

4 groups of 3 is the same as: 4 x 3 

Can you give an answer?  4 X 3 = 12

Activity 1

Pop it arrays

Roll two dice. The dice will be the array you need to make.

Write on your sheet the sum you have shown on your pop it board. 

If you can, give an answer to the sum. 

Activity 2

LA - pop whole numbers. Pop two numbers added together.

MA - roll two dice. use 2x tiles to create sums.

HA - roll two dice, include 10 sided dice.  Use 5x tiles to create sums.

What does this picture show?

2 groups of 3

3 groups of 2

3 groups of 4

4 groups of 10

How many 'groups of 2' balloons are there?

1. 2
2. 3
3. 4
4. 5

How many 'pairs' of
socks are there?

This image shows
counting on in
what number?

This image shows
3 groups of....

1. 3
2. 4
3. 5
4. 6

2 + 2 + 2 + 2 + 2 = 10

2 x 5 = 10

2 + 2 + 2 + 2 + 2 + 2 = 12

2 x 6 = 12

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 24

3 x 8 = 24

3 + 3 + 3 = 9

3 x 3 = 9

This is the symbol for....

Addition

Division

Multiplication

Subtraction

In this lesson we were learning about:

Shape

Time

Arrays

Money

How confident do you feel about what arrays are and how to use them?

😒🙁😐🙂😃