Terminology
What is an Inverse Operation?
It “undoes” another math operation (like subtraction undoes addition).
What is 7 × 8?
56
What is the square root of 49?
√49 = 7
What is the formula for the area of a triangle?
1/2×b×h
What is a prime number under 10?
2, 3, 5, or 7
What is a factor?
A number that divides another number evenly with no remainder.
What is 144 ÷ 12?
12
What is nine to the power of 3?
9³ = 729
What is the formula for the area of a parallelogram?
Base × Height (b × h)
What are the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
What is a multiple?
A number you get by multiplying another number by a whole number.
What is 236 × 6?
1,416
What is ∛27?
3
What is the formula for the area of a trapezium?
1/2×(a+b)×h
What are the first five multiples of 7?
7, 14, 21, 28, 35
What are an exponent and a root?
An exponent tells how many times to multiply a number by itself, and a root is the opposite, finding the number that was multiplied to get a value.
1,248 ÷ 24?
52
What is 2³ + √16?
2³ = 8, √16 = 4, 8 + 4 = 12
What is the area of a parallelogram with a base of 8 cm and a height of 5 cm?
Area = base × height → 8 × 5 = 40
What is prime factorisation?
Breaking a number down into the prime numbers that multiply together to make it.
What are the dividend, divisor, and quotient?
The number being divided, the number you divide by, and the answer to the division problem.
(144 × 9) ÷ 12?
108
What is ∛150? A) 5 B) 5.31 C) 8.50 D) 6
B) 5.31
What is the area of a trapezium with parallel sides of 6 cm and 10 cm and a height of 4 cm?
32 cm²
What is a composite factor?
A factor of a number that is not prime, meaning it has more than two factors.