Math Quiz on Rounding and Fractions

Round 45.789 to the nearest whole number.

• 45

• 46

• 44

• 47

Round 123.9876 to two decimal places.

• 123.99

• 123.98

• 123.987

• 124.00

Round 0.4563 to the nearest hundredth.

• 0.45

• 0.46

• 0.457

• 0.44

Round 25.6789 to two significant figures.

• 25.68

• 25.7

• 26

• 25

Write 0.007856 correct to three significant figures.

• 0.00785

• 0.0078

• 0.00786

• 0.008

Approximate 12345.678 to four significant figures.

• 12346

• 12340

• 12350

• 12300

What is the LCM of 12 and 18?

• 18

• 24

• 36

• 72

What is the prime factorization of 84?

• 2^3 × 7

• 2^2 × 3 × 7

• 2^2 × 5 × 7

• 3 × 7 × 12

Find the LCM of 8, 12, and 15.

• 120

• 60

• 240

• 80

Determine the HCF of 48 and 64.

• 8

• 12

• 16

• 24