WALT: Solve problems with fractions, decimals and percentages
Fraction problem - Example
⅖ of a group of children were girls.
If there were 24 girls, how many children were there in the group?
Show your working out here…
�⅖ = 24
⅕ = 24 divided by 2 = 12
5/5 = 5 x 12 = 60 students in the group
Follow these steps to help you solve fraction word problems:
12
12
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24 girls
Fraction problem - 1
Room 3 won the class points competition. They bought 30 items of food - pizzas and burgers. ⅖ of the food bought were pizzas. How many burgers did they buy?
Follow these steps to help you solve fraction word problems:
Fraction problem 2
Alisha is having a party and has $200 to spend on it.
She spends ¼ on savouries, ⅜ on drinks and 2/10 on party hats.
How much money does she have left to spend on balloons?
Show your working out here…
Follow these steps to help you solve fraction word problems:
Decimal problem - 1
Olivia and Revival were weighing salt on scales in their cooking class.
Olivia's one weighed 0.89 grams and Revival’s one weighed 0.05 grams.
How much more did Olivia’s salt weigh than Revival’s salt?
Show your working out here…
Remember:
- make tidy numbers!
- don’t subtract, ADD!
Decimal problem - 2
It rained 0.88cm on Monday. On Tuesday, it rained 0.51cm less than on Monday
How much did it rain on Tuesday?
Show your working out here…
Remember:
- make tidy numbers!
- don’t subtract, ADD!
Percentage problem - 1
An estimated 3 out of 25 men are left-handed.
What percent of men are left-handed?
Show your working out here…
Remember:
- Find out what the whole is - 100%
- what part of that do you need to find?
Percentage problem - 2
There are 25 students in Mrs Ilaoa’s class.
In the class election, 4 students voted for James, 12 voted for Sarah and 9 voted for Maria.
What percentage of the class voted for Maria?
Show your working out here…
Remember:
- Find out what the whole is - 100%
- what part of that do you need to find?