Determining the whole

12 questions

1. Fill in the missing word: ___ are in proportion if they have a constant multiplicative relationship.
2. Share 189 in the ratio 2 : 7. Which is a correct first step in solving this problem?
3. Izzy and Andeep share 189 stickers in the ratio of 2 : 7. How many stickers does Izzy get?
4. Share 132 in the ratio 4 : 6 : 1. What is the value of the largest share?
5. The ratio of flour to butter to sugar in a cookie recipe is 3 : 2 : 1. You want to make a giant cookie weighing 540 grams. How much flour will you need?
6. The perimeter of a triangle is 32.4 cm. The sides are in the ratio 3 : 8 : 7. How long is the longest side?
7. Write the ratio 3 to 5 using the correct notation.
8. What number is represented by the question mark in this bar model?
9. Sam and Aisha share some stickers in the ratio of 3 : 5. Sam gets 45 stickers, how many stickers are there in total?
10. Laura, Jacob and Jun share some sweets in the ratio 5 : 8 : 3. Jun gets 9 sweets, how many sweets are there in total?
11. Lucas is making necklaces with red, blue and white beads in the ratio 2 : 7 : 5. He uses 16 red beads. How many beads are on each necklace?
12. The lengths of the sides of a triangle are split in the ratio 3 : 8 : 7. The longest side is 9.6 cm, what is the perimeter of the triangle?

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