Grade 5 · Math · Unit 6 of 11
Expressions & Equations
Letters stand for numbers
What your child practises
Writing expressions like n + 5 for “5 more than a number”, evaluating them, solving equations to 100, and finding numbers that make an inequality true.
Ontario Curriculum expectation: C2.1–C2.4 · translating words to expressions, evaluating expressions, and solving equations and inequalities
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
Solve for n.
n ÷ 8 = 5
answer box
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40
Hint: Use the opposite operation to get n by itself.
Question 2
Evaluate 4n − 6 when n = 3.
4n − 6, n = 3
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6
Hint: Put 3 in for n. Multiply first, then subtract.
Question 3
Which expression means “7 times a number n”?
- n + 7
- n ÷ 7
- 7 × n
Show answer
7 × n
Hint: Turn each word into a symbol. Be careful with the order for subtraction and division.
Question 4
Solve for n.
7n = 98
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14
Hint: Use the opposite operation to get n by itself.
Question 5
Which expression means “the sum of a number n and 2”?
- n + 2
- n × 2
- 2 − n
Show answer
n + 2
Hint: Turn each word into a symbol. Be careful with the order for subtraction and division.
Question 6
Is n = 13 the solution to 5n = 65?
- Yes
- No
Show answer
Yes
Hint: Put 13 in for n. Does 5 × 13 equal 65?