Question:

Find the value of 1 unit.

2 m
- 1 u + 5 = 10
- 5 + 1 u = 10
- 10 = 1 u - 5
- 10 = 5 + 1 u

Adam pays $20.40 for 1 marble and 4 stickers.

The marble costs $1.90 more than each sticker.

3 m
The marble costs $1.90 more than each sticker.

- What is the cost of 1 marble?
- How much is the cost of 4 marbles and 2 stickers?

There are some children.

There are 500 boys.

The number of girls are 300 more than the number of boys.

How many children are there altogether?

3 m
There are 500 boys.

The number of girls are 300 more than the number of boys.

How many children are there altogether?

Adam and Bryan have 400 stickers.

Adam has 300 stickers.

3 m
Adam has 300 stickers.

- Who has more stickers?

(1) Adam

(2) Bryan - How many more stickers does he have?

Adam has 300 stickers.

Bryan has 200 stickers.

How many stickers do they have altogether?

3 m
Bryan has 200 stickers.

How many stickers do they have altogether?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) Adam

(2) Bryan - What is the total number of stickers?

Adam has 3 stickers.

Bryan has 2 stickers.

How many stickers do they have altogether?

3 m
Bryan has 2 stickers.

How many stickers do they have altogether?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) Adam

(2) Bryan - What is the total number of stickers?

Adam spends $15.70 on 2 stickers and 3 marbles.

A sticker costs $1.10 more than 1 marble.

4 m
A sticker costs $1.10 more than 1 marble.

- How much does 1 sticker cost?
- How much do 4 stickers cost?
- How much do a marble and 4 stickers cost?
- How much do 4 stickers cost more than 1 marble?

There are some children.

There are 500 boys.

The number of girls are 300 less than the number of boys.

How many children are there altogether?

3 m
There are 500 boys.

The number of girls are 300 less than the number of boys.

How many children are there altogether?

Adam and Bryan have 400 stickers.

Adam has 300 stickers.

3 m
Adam has 300 stickers.

- Who has less stickers?

(1) Adam

(2) Bryan - How many less stickers does he have?

Adam has 500 stickers at first.

Adam gives away some stickers.

He has 200 stickers left.

How many stickers does he give away?

3 m
Adam gives away some stickers.

He has 200 stickers left.

How many stickers does he give away?

- Which model should we draw?

(1) Model Part-whole

(2) Model Comparison - Is the total given?

(1) Yes

(2) No - Who gets the shorter bar?

(1) At first

(2) Left - Number of stickers that he gives away =