Constructing Linear Equations
Q1 I think of a number, add 7, multiply by 3, subtract 3, divide by 6, then multiply by 12. The answer is 72. Find the number I was thinking of.

Constructing Linear Equations
Q2 The number in each square is the sum of the numbers on either side.
30 23
25
If you managed to find the answers, can you think of another way to do this?

Constructing Linear Equations
Q3 Adrienne has three times as many dollars as
Karim. Adrienne gives Karim $20. She then has $5 more dollars than Karim. How much does Adrienne have now?

Constructing Linear Equations
Q4 Joy´s Auntie Mary is four times as old as Joy. If the sum of their ages is 70, find their ages.

Constructing Linear Equations
Q5 The sum of six consecutive even numbers is 174.
What is the smallest of the numbers?

Constructing Linear Equations
Q6 The sum of seven consecutive odd numbers is
133. What is the largest of the numbers?

Constructing Linear Equations
Q7 The sum of two numbers is 56, and their difference is 14. What is their product?

Constructing Linear Equations
Q8 A cuboid has a volume of 180cm³. The length is twice as big as the width and the height is 2 cm bigger than the width.
Find the length, width and height of the cuboid.