Question:

Level 2

Adam has 40 stickers.

He lacks 10 stickers.

How many stickers does he need altogether?

4 m
Adam has 40 stickers.

He lacks 10 stickers.

How many stickers does he need 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) At first

(2) Adam gives away - Number of stickers that Adam has in the end =

Level 2

Find the value of 1 unit.

4 m
Find the value of 1 unit.

- 7 u - 20 = 4 u + 10
- 4 u + 10 = 7 u - 20
- 4 u - 10 = 1 u + 20
- 1 u + 20 = 4 u - 10

Level 1

Adam pays $10 in total for a sticker and a marble.

The sticker costs $6 more than the marble.

What is the cost of the sticker?

2 m
Adam pays $10 in total for a sticker and a marble.

The sticker costs $6 more than the marble.

What is the cost of the sticker?

Level 1

Adam and Bryan have 400 stickers.

Adam has 300 stickers.

3 m
Adam and Bryan have 400 stickers.

Adam has 300 stickers.

- Who has less stickers?

(1) Adam

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

Level 1

Adam and Bryan have 10 stickers.

Adam has 6 stickers.

2 m
Adam and Bryan have 10 stickers.

Adam has 6 stickers.

- Who has less stickers?

(1) Adam

(2) Bryan - How many less stickers?

Level 2

Adam has 70 stickers.

Bryan has 20 stickers.

How many more stickers does Adam have than Bryan?

4 m
Adam has 70 stickers.

Bryan has 20 stickers.

How many more stickers does Adam have than Bryan?

- 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 - Number of stickers that Adam has more than Bryan?=

Level 1

Adam pays $10 in total for a sticker and a marble.

The sticker costs $6 less than the marble.

What is the cost of the sticker?

2 m
Adam pays $10 in total for a sticker and a marble.

The sticker costs $6 less than the marble.

What is the cost of the sticker?

Level 1

Fill in the blanks.

Adam has 20 stickers more than Bryan.

Let the number of stickers that Bryan has be 1 u.

3 m
Fill in the blanks.

Adam has 20 stickers more than Bryan.

Let the number of stickers that Bryan has be 1 u.

- Number of stickers that Bryan has = _____ u
- Number of stickers that Adam has = 1 u + _____
- Total number of stickers that Adam and Bryan have = 2 u + _____

Level 3

Adam has 20 stickers and 30 marbles.

4 m
Adam has 20 stickers and 30 marbles.

- If he uses more than 1 bag, what is is the minimum number of bags that he can pack these items equally without any leftover?
- How many stickers are there in each bag?
- How many marbles are there in each bag?
- How many marbles and stickers are there in each bag?

Level 1

70 children are in a school.

30 of them were girls.

How many more boys than girls are there?

3 m
70 children are in a school.

30 of them were girls.

How many more boys than girls are there?

- Number of boys = _____
- Number of more boys than girls = _____