Decimals

Question 1

7.8 x 100

Answer 1

780

use place value and move digits two places to the left

Question 2

1.2 x 0.3

Answer 2

0.36

take away the . so work out 12 x 3 = 36, then put the point back in 2 places from the right hand side

Question 3

Round 3.467 to 1dp

Answer 3

3.5

cut off after the 4 but because the next number is 6, change the 4 to a 5

Question 4

Which is bigger 1.03 or 1.025?

Answer 4

1.030
1.025
By adding extra 0 can see that 1.03 is bigger.

Question 5

Convert 0.34 to a percentage

Answer 5

0.34 x 100 = 34%