Question:

Level 1

Triangles ABC, DEF, GHJ, KLM and PQR are drawn on the square grid. Which triangle has the same area as triangle ABC?

Triangles ABC, DEF, GHJ, KLM and PQR are drawn on the square grid. Which triangle has the same area as triangle ABC?

1 m

Level 1

Adam and Bryan have a total of 1000 stickers.

Adam gives Bryan 100 stickers.

Now, they have the same number of stickers.

3 m
Adam and Bryan have a total of 1000 stickers.

Adam gives Bryan 100 stickers.

Now, they have the same number of stickers.

- How many stickers does Adam have at first?
- How many stickers does each have in the end?

Level 2

Adam and Bryan have the same amount of money.

Adam spends $10 and Bryan spends $50.

In the end, Adam has 3 times as much money as Bryan.

3 m
Adam and Bryan have the same amount of money.

Adam spends $10 and Bryan spends $50.

In the end, Adam has 3 times as much money as Bryan.

- How much does each of them have at first?
- How much does Adam have more than Bryan in the end?

Level 2

Adam and Bryan have the same amount of money.

Adam receives $50 and Bryan receives $10.

In the end, Adam has 3 times as much money as Bryan.

3 m
Adam and Bryan have the same amount of money.

Adam receives $50 and Bryan receives $10.

In the end, Adam has 3 times as much money as Bryan.

- How much does each of them have at first?
- How much does Adam have more than Bryan in the end?

Level 3

Adam, Bryan and Chris have 48 stickers.

When Adam gives Bryan some stickers, Bryan's stickers is doubled.

When Bryan gives some stickers to Chris, Chris' stickers is doubled.

In the end, they have the same number of stickers each.

4 m
Adam, Bryan and Chris have 48 stickers.

When Adam gives Bryan some stickers, Bryan's stickers is doubled.

When Bryan gives some stickers to Chris, Chris' stickers is doubled.

In the end, they have the same number of stickers each.

- How many does each child have in the end?
- How many stickers does Chris have at first?
- How many stickers does Bryan have at first?
- How many stickers does Adam have at first?

Level 3

4 children have some stickers.

Adam's number of stickers is tripled.

Bryan's number of stickers is quadrupled.

Chris' number of stickers is doubled.

David's number of stickers is halved.

In the end, all have 60 stickers each.

4 m
4 children have some stickers.

Adam's number of stickers is tripled.

Bryan's number of stickers is quadrupled.

Chris' number of stickers is doubled.

David's number of stickers is halved.

In the end, all have 60 stickers each.

- How many stickers does Adam have at first?
- How many stickers does Bryan have at first?
- How many stickers does Chris have at first?
- How many stickers does David have at first?

Level 3

4 children have the same number of stickers at first.

Adam's number of stickers is tripled.

Bryan's number of stickers is quadrupled.

Chris' number of stickers is doubled.

David's number of stickers is halved.

In the end, they have 950 stickers.

4 m
4 children have the same number of stickers at first.

Adam's number of stickers is tripled.

Bryan's number of stickers is quadrupled.

Chris' number of stickers is doubled.

David's number of stickers is halved.

In the end, they have 950 stickers.

- How many stickers does Adam have in the end?
- How many stickers does Bryan have in the end?
- How many stickers does Chris have in the end?
- How many stickers does David have in the end?

Level 2

On the line not drawn to scale, the length of AB is^{1}_{2} the length of BC and BC has the same length as CD. What is the ratio of the length of AD to the length of AB?

On the line not drawn to scale, the length of AB is

2 m

Level 2

A bag contains blue and green marbles in the ratio of 2 : 5. There is a total of 91 marbles in the bag. How many more blue marbles must be added into the bag so that the number of blue marbles will be the same as the number of green marbles?

2 m
A bag contains blue and green marbles in the ratio of 2 : 5. There is a total of 91 marbles in the bag. How many more blue marbles must be added into the bag so that the number of blue marbles will be the same as the number of green marbles?

Level 2

^{2}_{5} of the toys in a container are dolls. The remaining toys are made up of an equal number of planes and cars. What is the percentage of toy cars in the container?

2 m