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     12 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 =28  9 x 7 = 63

345 + 385 = 730

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? $60

60 + 65 = 125

She then gives you $234 more. How much money do you have now? $294

200 + 60 = 260     260 + 34 = 294

     

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

They first purchase a basketball hoop for $50  How much money does is left? $450

500 - 50 = 450

They then buy a net for $25.  How much do they have left? $425

450 - 25 = 425

Then they buy three tennis balls. Each ball costs $3. How much do they have left? $422

425 - 3 = 422

Finally they buy a netball hoop which costs $100.  How much is left in the budget at the end? $322

422 - 100 = 322

Troy has $100 in his wallet. He spends $65.50 on a new PS4 game. How much money does he have left? $34.50c

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? $515 

$515.00c + $10.80c = 525.80 

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? 7 Grams 5.6 kg + 4 grams= 6.0kg   6.0kg + 3 grams = 6.3 3+ 4= 7