Substitution
Evaluate 3x when x = 4.
12
Simplify 3x + 2x.
5x
Simplify 3 × x.
Answer: 3x
Which club did Erling Haaland join in 2022?
Answer: Manchester City
What is the biggest planet in our solar system?
Answer: Jupiter
Evaluate x + 7 when x = 9.
Answer: 16
Simplify 7y – 4y.
Answer: 3y
Simplify 2a × 4.
Answer: 8a
Which national team does Achraf Hakimi play for?
Answer: Morocco
Which planet has the most moons in our solar system?
Answer: Saturn
Evaluate 5a – 3 when a = 2.
7
Simplify 5x – 2x + x.
Answer: 4x
Simplify 6x ÷ 3.
Answer: 2x
Kevin De Bruyne plays for Manchester City. What country does he represent internationally?
Answer: Belgium
What is the hardest natural substance on Earth?
Answer: Diamond
Evaluate 2x + 3y when x = 5 and y = 1.
13
Simplify 6a + 3b – 2a.
Answer: 4a + 3b
Simplify (3a)x(2b).
Answer: 6ab
Which team won the UEFA Champions League in 2021?
Answer: Chelsea
How many degrees are in a full circle?
Answer: 360°
Evaluate 4a² when a = 3.
36
Simplify 8m – 3m + 5n – n.
Answer: 5m + 4n
Simplify 12xy ÷ 4x.
Answer: 3y
Kylian Mbappé moved clubs in 2024. Which team did he join?
Answer: Real Madrid
Which ocean is the deepest on Earth?
Answer: The Pacific Ocean