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Maths
Understanding multiplicative relationships: fractions and ratio

Starter quiz

  • Use the ratio table to work out how many slices of cheese are needed to make 7 sandwiches. <span class="blank">______</span> slices.
    Use the ratio table to work out how many slices of cheese are needed to make 7 sandwiches. ______ slices.
    • '21' ✓
  • Use the ratio table to work out how many slices of cheese are needed when there are 12 slices of tomato. <span class="blank">______</span> slices.
    Use the ratio table to work out how many slices of cheese are needed when there are 12 slices of tomato. ______ slices.
    • '24' ✓
  • Here is a recipe for vanilla cake. How much sugar is needed if you use 6 eggs? <span class="blank">______</span> grams of sugar.
    Here is a recipe for vanilla cake. How much sugar is needed if you use 6 eggs? ______ grams of sugar.
    • '225' ✓
  • Here is a recipe for vanilla cake. How much vanilla is needed if you use 125 g of flour? <span class="blank">______</span> ml of vanilla.
    Here is a recipe for vanilla cake. How much vanilla is needed if you use 125 g of flour? ______ ml of vanilla.
    • '5' ✓
  • Lucas has some red and blue marbles. For every 4 red marbles, he has 5 blue marbles. Lucas has 20 red marbles altogether. Lucas has ______ blue marbles.
    • '25' ✓
  • Laura has some red and blue marbles. For every 4 red marbles, she has 5 blue marbles. She has 36 marbles altogether. Laura has ______ blue marbles.
    • '20' ✓
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