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Lesson details

Key learning points

  1. In this lesson, we will look at writing calculations that include algebraic terms.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
Answer the following: 18 x (5 - 3) + 7
Correct answer: 43
45
94
Q2.
Answer the following: 15 - 5 x 2
10
20
Correct answer: 5
Q3.
Answer the following: (18 - 7) x (2 + 5)
-33
27
Correct answer: 77
Q4.
Which of the following statements matches the calculation 15 x (5 - 3)?
Add 3 to 5 then multiply by 15
Multiply 15 by 5 then subtract 3
Correct answer: Subtract 3 from 5 then multiply by 15
Q5.
Which of the following statements matches the calculation 15 x (5 - 3) + 3?
Add 3 to 5, then multiply by 15 and then add 3
Multiply 15 by 5, then subtract 3 and then add 3
Correct answer: Subtract 3 from 5, then multiply by 15 and then add 3

5 Questions

Q1.
Which calculation matches the statement: I think of a number. I multiply my number by 2 then I subtract 5. (In the below calculations, m represents the originally thought number.)
m - 5 x 2
m x (2 - 5)
Correct answer: m x 2 - 5
Q2.
Which calculation matches the statement: I think of a number. I subtract 5 from my number then I multiply by 2. (In the below calculations, m represents the originally thought number.)
Correct answer: (m - 5) x 2
m - 5 x 2
m x (2 - 5)
Q3.
Which calculation matches the statement: I think of a number. I subtract 5 from my number then I multiply by 2. I then subtract subtract 6 and finally multiply by 3.
Correct answer: ((m - 5) x 2 - 6) x 3
(m - 5 x 2 - 6) x 3
m - 5 x 2 - 6 x 3
Q4.
Which of the following values of m gives an answer between 50-60 for the following calculation? 5 x m - 3
10
Correct answer: 12
13
9
Q5.
Which of the following values of m gives an answer between 30-35 for the following calculation? 5 x (m - 3)
Correct answer: 10
12
13
8

Lesson appears in

UnitMaths / Order of operations