Grade 3 · Math · Unit 9 of 12
Slides, Flips & Turns
Translations, reflections and rotations of shapes.
What your child practises
Telling a slide (translation), a flip (reflection) and a turn (rotation) apart, and knowing the shape stays the same size.
Alberta Curriculum learning outcome: 3G1.2 · translations, reflections and rotations of polygons
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
A letter “b” is flipped over a vertical line. Which letter does it look like?
🔤- p
- q
- d
- b
Show answer
d
Hint: A flip left-to-right swaps b and d.
Question 2
A chair is pushed straight along the floor. Which move is it?
🪑- reflection
- rotation
- translation
Show answer
translation
Hint: Sliding in a line is a translation.
Question 3
Which move could you do by tracing a shape and flipping the tracing paper over?
📄- rotation
- translation
- reflection
Show answer
reflection
Hint: Flipping the paper makes a mirror image.
Question 4
A drawer slides open. Which move is it?
🗄️- reflection
- rotation
- translation
Show answer
translation
Hint: It slides in a straight line.
Question 5
A square slides to the right, then slides down. Which moves are these?
⬜- a reflection and a rotation
- two translations
- two reflections
- two rotations
Show answer
two translations
Hint: Each slide is a translation.
Question 6
A sled glides straight down a hill. Which move is it?
🛷- translation
- reflection
- rotation
Show answer
translation
Hint: It slides in a line without turning.