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Number Operations Worksheet
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Number Operations Worksheet
A weekend kai stall is preparing snack packs for a community event. Use ratios to help the team keep every batch balanced. Show working where you can.
Read the stall’s recipe card
The standard fruit mix uses 2 apples for every 3 mandarins. The trail-mix recipe uses 4 cups of oats for every 1 cup of raisins.
1.In the fruit mix, what is the ratio of apples to mandarins? Write it in simplest form.
2.A batch uses 8 apples. If the fruit ratio stays the same, how many mandarins are needed?
3.The stall has 15 mandarins. How many apples should be used to keep the fruit mix in the same ratio?
4.The trail-mix recipe has 4 cups of oats for 1 cup of raisins. Which ratio matches that recipe?
- 1:4 oats to raisins
- 4:1 oats to raisins
- 4:5 oats to raisins
- 5:1 oats to raisins
5.A large trail-mix batch needs 12 cups of oats. How many cups of raisins are needed?
Pack and compare
Use the table to check snack packs prepared for the event.
Pack
Apples
Mandarins
A
4
6
B
6
8
C
10
15
6.Which packs have apples and mandarins in the standard 2:3 ratio?
7.Explain why Pack B does not match the 2:3 ratio. Give one way to change its quantities so it does match.
8.True or false: multiplying both parts of a ratio by the same number keeps the ratio equivalent. Give an example using 2:3.
TrueFalse
9.A drink mix uses 1 part cordial for every 5 parts water. If you use 2 cups of cordial, how many cups of water are needed?
10.Create a new fruit mix ratio using 3 apples. Keep the same taste as the standard 2:3 apple-to-mandarin mix. How many mandarins will you use? Show how you know.
2 printable pages
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