WALT: Use our knowledge of place value to solve subtraction problems
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
300+300=600
40+80=120
5+5=10
600+120=720
720+10=730
847 + 126 = 973
800+100=900
40+20=60
7+6=13
900+60=960
960+13=973
674 + 586 = 1260
600+500=1100
70+80=150
4+6=10
1100+150=1250
1250+10=1260
Your sister gives you $125 to spend on lollies. If you spend $65 how much
money would you have left over?
money would you have left over?
$65+$60=$125
60+60=120
5+0=5
120+5=125 te answer is 60
She then gives you $234 more. How much money do you have now?
234+60=294
200+0=200
30+60=90
4+0=4
200+90=290, 290+4=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 is left?
$500-$50=$450
They then buy a net for $25. How much do they have left?
$450-$25=425
450-20=430
0-5=5 , 430-5=425
Then they buy three tennis balls. Each ball costs $3. How much do they have left?
(3x3=9)
$425-9=416
400-0=400
25-9=16
400+16=416
Finally they buy a netball hoop which costs $100. How much is left in the budget at the end?
$416-100= $316
400-100-300
10-0=10
6-0=6
300+10=310
310+6=$316 there is $316 dollers left in the budget!
Troy has $100 in his wallet. He spends $65.50 on a new PS4 game.
How much money does he have left?
How much money does he have left?
$100-$65.50=
I don’t know how to fiugure this out?
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?
If he has 10.80 left in his bank account and he started with $525.80, how much did he spend?
525.80+ 10.80= 536.1
525+10=535
8+8=160
535+1=536.1
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?
but he now weighs 6.3. How much weight has he put on?
5.6+6.3= 11.9
5+6=11
6.3=9
Then add 11 and 9 which would be 11.9
The answer is 11.9
Hi Zamera,
ReplyDeleteI love how clearly you have shown your working! That is awesome. It clearly shows me the strategy you used and how you reached your answers. Keep up the great work