Grade 4 · Math · Unit 7 of 16
Order of Operations
Which step comes first? Multiply and divide before add and subtract
What your child practises
Multiplication and division are done before addition and subtraction, and equal steps go left to right. For example, 3 + 4 × 2 is 11, not 14. Brackets come in Grade 5.
Alberta Curriculum learning outcome: 4A1.1 · evaluating expressions using the order of operations
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
Use the order of operations to solve.
16 + 6 × 5 = ?
answer box
Show answer
46
Hint: Multiply and divide first (left to right), then add and subtract (left to right).
Question 2
What is the value of this expression?
20 + 18 ÷ 2
- 25
- 19
- 39
- 29
Show answer
29
Hint: Multiply and divide first (left to right), then add and subtract (left to right).
Question 3
Mateo says 2 + 3 × 6 = 30. What went wrong?
- Mateo multiplied before adding
- Mateo did nothing wrong
- Mateo subtracted by mistake
- Mateo added before multiplying
Show answer
Mateo added before multiplying
Hint: Multiplication comes before addition, so find 3 × 6 first.
Question 4
Use the order of operations to solve.
15 + 45 ÷ 5 = ?
answer box
Show answer
24
Hint: Multiply and divide first (left to right), then add and subtract (left to right).
Question 5
In 6 × 6 + 10, which step do you do first?
- 6 + 10
- it does not matter
- 6 × 6
Show answer
6 × 6
Hint: Multiplication and division come before addition and subtraction.
Question 6
Amir buys 8 packs with 6 stickers in each pack, and 8 single stickers. Which expression shows the total?
- 8 + 6 × 8
- 8 + 6 + 8
- 8 × 6 + 8
- 8 × 6 × 8
Show answer
8 × 6 + 8
Hint: The packs make 8 × 6 stickers. Then add the 8 singles.