Sensational Subtraction

*We are learning to solve subtraction problems using decimal numbers.*

List 3 prime numbers:1, 5, 7,

List the factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

List the common factors of 24 and 48: 1, 2, 4, 6, 8, 12

Mr Burt has $1000 in the maths budget at the start of the year.

He starts by purchasing 650 maths books, at $0.30 each. His total spend is: $195

How much does he have left?

Next he spends $167.70 on rulers and protractors

How much is left now?

637.3

Then he purchases 5 text books, which cost $26.50 each. The 5 textbooks cost:

How much does he have left? $132.5

Finally he spends $6.70 on stickers.

How much does he have left?498.1

4 – 0.768 = 3.232

Today in maths class we had to plus and divided decimals.