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.