What are the factors of 40?
What are the first 5 multiples of 6?
Which of these numbers is NOT a prime number?
2
31
9
How do you work out the value of 35?
\[3 \times 3 \times 3 \times 3 \times 3\]
\[3 \times 5\]
\[5 \times 5 \times 5\]
What is \(\sqrt{64}\)?
32
8
6.4
Write 12 as the product of its prime factors?
\[2 \times 6\]
2, 2, 3
\[2 \times 2 \times 3\]
Write 90 as the product of its prime factors?
\[2 \times 9 \times 5\]
\[2 \times 3 \times 3 \times 5\]
2, 3 and 5
Calculate the highest common factor (HCF) of 12 and 90.
6
180
Calculate the lowest common multiple (LCM) of 12 and 90.
1,080
A machine goes "pop" every 20 minutes and "beep" every 35 minutes." It goes "pop" and "beep" together at 12pm. When will the machine next go "pop" and "beep" together?
1:05pm
2:20pm
12:55pm