JSS 1 Mathematics Flashcards: Translating Statements and Solving Simple Equations

Question 1

Write “five more than a number n” as an algebraic expression.

Accepted Answer

n + 5

Question 2

The phrase “three times x, decreased by 2” translates to ________.

Accepted Answer

3x − 2

Question 3

Why does “2 less than y” mean y − 2 rather than 2 − y?

Accepted Answer

The amount 2 is taken away from y

Question 4

Four notebooks cost ₦x each, and delivery costs ₦500. Which expression gives the total cost?

Accepted Answer

4x + 500

Question 5

Translate “twice a number m equals 18” into an equation.

Accepted Answer

2m = 18

Question 6

A number increased by 7 is 19. What is the number?

Accepted Answer

12

Question 7

Three equal bags contain 27 oranges altogether. Using 3y = 27, find y.

Accepted Answer

9

Question 8

Solve a/5 = 6.

Accepted Answer

a = 30

Question 9

For 2p + 3 = 15, the value of p is ________.

Accepted Answer

6

Question 10

A pupil solves 4q − 5 = 19. Which value should the pupil obtain?

Accepted Answer

q = 6

Question 11

Check x = 8 in the equation 2x + 1 = 17. What happens?

Accepted Answer

It is correct because 2(8) + 1 = 17

Question 12

Musa says 5x = 20 gives x = 15 after subtracting 5. Correct his method.

Accepted Answer

Divide both sides by 5 to get x = 4

Question 13

A rectangle has length x cm and width 3 cm. Which expression represents its perimeter?

Accepted Answer

2x + 6

Question 14

Kemi is k years old. Her brother is 4 years older. His age is represented by ________.

Accepted Answer

k + 4

Question 15

Select the equation that matches “the sum of n and 11 is 25.”

Accepted Answer

n + 11 = 25

Question 16

What value makes z − 9 = −2 true?

Accepted Answer

z = 7

Question 17

Solve 18 − 2a = 8.

Accepted Answer

a = 5

Question 18

Why must the same operation be performed on both sides of an equation?

Accepted Answer

To keep the two sides equal

Question 19

The equation 7r = 42 can be read as ________.

Accepted Answer

seven times r equals forty-two

Question 20

Three cinema tickets of equal price plus a ₦200 booking fee cost ₦1,700. What is one ticket’s price?

Accepted Answer

₦500

Strong work.