Integers
−30÷3 =
-10
What type of number is represented by the symbol Z?
Integers
Simplify 3/5 + 1/5
4/5
Write 12 as a product of prime numbers.
2×2×3 = 22 × 3
Find the HCF of 8 and 12.
4
15−(-9)
24
Is 7 a prime or composite number?
Prime
Calculate 12/15 − 19/15
-7/15
Find the prime factorization of 18.
2×3×3 = 2 × 32
Find the LCM of 5 and 15.
12−18+9 =
3
Classify all type of number −12 belongs to.
Rational
Integer
What is 3/4 × 2/5 in its simplest form?
3/10
Express 84 as a product of prime factors.
2×2×3×7 = 22 × 3 × 7
Find the HCF of 18 and 24.
2x3 = 6
24÷(-3)+5−1
-4
Name three types of numbers that 0 belongs to.
Whole numbers
Integer
Rational numbers
What is 6/7 ÷ 3/14
4
Find the prime factorization of 72.
2×2×2×3×3 = 23 × 32
4. Find the LCM of 12 and 18 using prime factorization.
36
−3+4(5−8)÷2
-9
Which of the following is irrational? √16, √5, 3/4,−9
Explain why.
√5. The square root of 5 is not a repeating decimal and it cannot be represented as a fraction.
Evaluate using order of operations: 1/2 + 3/4 × 2/3
1
Write 180 as a product of prime factors in index form.
2×2×3×3×5 = 22 × 33× 5
Two numbers have an HCF of 6 and an LCM of 72.
If one number is 18, find the other number.
HCF × LCM=Product of numbers
6×72 = 432
Other number = 432÷18 = 24