Serious Subtraction 1

  Serious Subtraction

We are learning to solve subtraction problems using whole and decimal numbers.

Times Table Practice:

3 x 3 =9       5 x 5 =25  
    8 x 7 =56 2 x 10 = 120
  4 x 6 = 24 5 x 7 =35 
  2 x 4 = 8  3 x 8 = 24
  9 x 8 = 72 4 x 7 =  21
9 x 7 = 63

345 + 385 = 370

847 + 126 = 973

674 + 586 =  1260

Your sister gives you $125 to spend on lollies. If you spend $65 how much money would you have left over?


She then gives you $234 more. How much money do you have now?


125-65=60 60+234=294 so she now have $294

Pt England schools are buying new sports gear. There is $500 in the sports budget.


They first purchase a basketball hoop for $50. How much money does he have left?

A: 500-50= 450 he now has 450 dollars left.

They then buy a net for $25. How much do they have left?
A: 450 - 25 = 425.

Then they buy three tennis balls. Each ball costs $3. How much do they have left?


Finally they buy a netball hoop which costs $100. How much is left in the budget at the end?
A: 425-3=422 422-100=322 so at the end they now have $322 left.


Troy has $100 in his wallet. He spends $65.50 on a new PS4 game. How much money does he have left?
A:34.5

Kahurangi wins some money and goes on a shopping spree.If he has 10.80 left in his bank account and he started with $525.80, how much did he spend? A: 515

Zyla’s puppy is growing every month. He used to weigh 5.6 kg but he now weighs 6.3. How much weight has he put on?  

A:11.9