Mathematics Year 3

Which of these statements is correct?

• Every number is not a factor of itself.

• 1 is a factor of every number.

• 5 is a factor of 78.

Write out the next four multiples.

16, 32, ____ ____ ____ ____

(a)  

What is the highest common factor of 28 and 32?

• 2

• 3

• 4

Prime numbers has only two factors.

• False

• True

• Maybe

Using the factor tree method, find the prime factorization of 48.

• 2, 2, 2, 2, 3.

• 2 , 2, 2, 3.

• 2, 2, 3, 3

Change this improper fraction to mixed number.

145/13

Express 12 4/5 as improper fraction.

• 66/5

• 74/5

• 64/5

There are 24 hours a day. How many hours are there in the month of June?

• 720 hours

• 640 hours

• 110 hours

A string contains 450 beads. How many of such stings will be needed for 15 beads?

• 10

• 20

• 30

Fractions with the same denominators are called _______

• Mixed number

• Unlike fractions

• Like fractions