Challenge Questions

Read each of the following questions carefully. Fill in the blanks with your answers.

1. Fill in the blanks with numbers from 1 to 5 so that the sum of the 3 circles along each line is 10. Use each number only ONCE.

2. Six students were sitting in a school auditorium. They were seated facing the stage. • Cameron sat next to Sean. • Jonathan sat next to Sean. • Rosa sat farther away from the stage. • Antwon sat behind Jonathan. • Cameron sat in front of Kayla. Fill in each box with the correct name.

STAGE

Cameron

3. Mei has a ruler. Nicholas’s ruler is longer than Mei’s. Ivana has a ruler longer than Mei’s but shorter than Nicholas’s. Simon’s ruler is shorter than Mei’s. Who has the longest ruler?

has the longest ruler.

4. A group of boys went to the movies. They sat in the first row. Rashid, one of the boys, was seated 4th from the left and 3rd from the right. How many boys went to the movies?

boys went to the movies.

5. Fill in each circle with numbers from 1 to 9 to make the addition sentence true. Use each number only ONCE.

+ + = 17

6. Find the mystery 2-digit number based on these hints. • The first digit is smaller than 3. • The first digit is an odd number. • The second digit is an even number. • The difference between the first digit and the second digit is 5.

The 2-digit number is .

7. How many routes can the mouse take in order to get the cheese? The mouse must travel along the dotted lines within the shortest time.

The mouse can take routes in order to get the cheese.

8. Study the patterns below and draw the correct shape in each box.

9. 9 students are standing in line at a drinking fountain during recess. Joel comes along and joins the line. There are 6 students between Joel and Mia. In which position is Mia from the fountain?

Mia is from the drinking fountain.

10. Fill in each shaded box with numbers from 0 to 9. The numbers in the 3 boxes along each side should add up to 10. Use each number only ONCE. Which numbers are not used?

Numbers and are not used.

11. I am a 2-digit number. My 2 digits and the sum of my 2 digits are in sequence. What number am I?

I am .

12. How many triangles can be formed from the shape below? The triangles must be of the same size.

triangles can be formed from the shape.