Level 2
He lacks 10 stickers.
How many stickers does he need altogether?

1. Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
2. Is the total given?
(1) Yes
(2) No
3. Who gets the shorter bar?
(1) At first
4. Number of stickers that Adam has in the end =
4 m
Level 2
Find the value of 1 unit.
1. 7 u - 20 = 4 u + 10
2. 4 u + 10 = 7 u - 20
3. 4 u - 10 = 1 u + 20
4. 1 u + 20 = 4 u - 10
4 m
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
Level 1
Adam and Bryan have 400 stickers.
1. Who has less stickers?
(2) Bryan
2. How many less stickers does this person have?
3 m
Level 1
Adam and Bryan have 10 stickers.

1. Who has less stickers?
(2) Bryan
2. How many less stickers?
2 m
Level 2
Bryan has 20 stickers.
How many more stickers does Adam have than Bryan?

1. Which model should we draw?
(1) Model Part-whole
(2) Model Comparison
2. Is the total given?
(1) Yes
(2) No
3. Who gets the shorter bar?
(2) Bryan
4. Number of stickers that Adam has more than Bryan?=
4 m
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
Level 1
Fill in the blanks.
Adam has 20 stickers more than Bryan.
Let the number of stickers that Bryan has be 1 u.

1. Number of stickers that Bryan has = _____ u
2. Number of stickers that Adam has = 1 u + _____
3. Total number of stickers that Adam and Bryan have = 2 u + _____
3 m
Level 3
Adam has 20 stickers and 30 marbles.
1. 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?
2. How many stickers are there in each bag?
3. How many marbles are there in each bag?
4. How many marbles and stickers are there in each bag?
4 m
Level 1
70 children are in a school.
30 of them were girls.
How many more boys than girls are there?

1. Number of boys = _____
2. Number of more boys than girls = _____
3 m