Serious subtraction, workshop two

  Serious Subtraction

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

Times Table Practice:

3 x 3 =       5 x 5 = 8 x 7 =     12 x 10 = 4 x 6 = 5 x 7 =    2 x 4 = 3 x 8 = 9 x 8 = 4 x 7 =  9 x 7 = 

Show your working for the following problems, either on here or in your books

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

   $60

Zaeeda has bought her sister  a new puppy. She has $500 in her bank account as she heads to the shops. 

She first buys a dog bed for $60. How much money does she have left?

$440

She then buys a bowl for $25. How much does she have left?

$415

Then she buys 3 chew toys. Each toy costs $3.50. How much does she have left?

$405.50

Finally she buys a diamond collar for the dog which costs $154.50. How much is left in her account at the end of the day? 405.50-154.50=         400.50-54.50=345-105=240

Kalani’s python has become ill and needs to go to the vets. He  has $100 in his wallet.

The cost of the vet visit is $65.50. How much money is left in Kalani’s wallet?

100-60=40-5.50=34.50

AJ is also at the vet with his rabbit. His rabbit has had expensive surgery. If AJ has 10.25 left in his bank account and he started with $525.80, how much did the surgery cost?

525-10=515 515.25-0.8= 

Zyla’s puppy is growing every month. He used to weigh 5.67 kg but he now weighs 6.34kg. How much weight has he put on? 6.34-5.67=

5.67 + 0.33  = 6.00

6.00 + 0.34   =6.34

0.33 + 0.34 = 0.64

Task description: We needed to work out the question by breaking down the numbers to make it easier.