Grade 3 · Math · Unit 11 of 15
Turns & Structures
Quarter turns, faces and congruent shapes
What your child practises
Following directions with half and quarter turns, counting the faces of 3D pieces in a structure, and knowing when two shapes are congruent (exactly the same).
Ontario Curriculum expectation: E1.2–E1.4 · putting together and taking apart structures, congruent shapes, and directions with half and quarter turns
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
How many squares do you move right to go from A to B?
- 8
- 4
- 3
Show answer
3
Hint: Count the squares between A and B along the row.
Question 2
How many quarter turns make a whole turn?
- 7
- 4
- 1
Show answer
4
Hint: Turn a quarter at a time until you face the way you started.
Question 3
Triangle A has sides 3, 4, 5 cm. Triangle B has sides 3, 5, 5 cm. Are they congruent?
- No, they do not match
- Yes, they match exactly
Show answer
No, they do not match
Hint: Congruent shapes are exactly the same size and shape. Compare all the sides.
Question 4
A structure is built from 1 rectangular prism and 2 cubes. How many faces do the pieces have in all?
- 18
- 20
- 12
Show answer
18
Hint: Find the faces on one piece, then multiply by how many pieces there are.
Question 5
Zoe faces east. She makes a half turn, then a quarter turn to the left. Which way does she face now?
- west
- north
- south
Show answer
south
Hint: Do the first turn, then do the second turn from where you are facing.
Question 6
Triangle A has sides 5, 5, 6 cm. Triangle B has sides 6, 6, 5 cm. Are they congruent?
- No, they do not match
- Yes, they match exactly
Show answer
No, they do not match
Hint: Congruent shapes are exactly the same size and shape. Compare all the sides.