Multiplicative comparison

Select an equation for: There are 8 red fish in the aquarium. There are 3 times as many blue fish as red. How many blue fish are there?

• 3 fish x 8 = 24 fish

• 8 fish + 3 = 11 fish

• 8 fish x 3 = 24 fish

• 3 fish + 8 = 11 fish

Tags

CCSS.4.OA.A.1

If I have a recipe with 3 tablespoons of ketchup and twice as much mustard, how many tablespoons of mustard are in the recipe?

• 2 tablespoons x 3 tablespoons = 6 tablespoons

• 2 x 3 tablespoons = 6 tablespoons

• EEw! I don't eat mustard

• 2 tablespoons x 3 tablespoons = 5 tablespoons

Tags

CCSS.4.OA.A.1

If I have a recipe with 3 tablespoons of ketchup and twice as much mustard, how many tablespoons in all are in the recipe?

• 6 tablespoons

• 3 tablespoons

• 5 tablespoons

• 9 tablespoons

Tags

CCSS.4.OA.A.2

I want a pizza with only vegetables. I have 3 tablespoon of olives. I would like 2 times as many green peppers as olives and 4 times as many mushrooms as olives. How much of each ingredient is on the pizza?

• 3 Tablespoon olives, 6 tablespoons green peppers, 12 tablespoons mushrooms

• 3 Tablespoon olives, 2 tablespoons green peppers, 4 tablespoons mushrooms

• 3 Tablespoon olives, 6 tablespoons green peppers, 8 tablespoons mushrooms

• 3 cups of tomatoes

Tags

CCSS.4.OA.A.2

I want a pizza with only vegetables. I have 3 tablespoon of olives. I would like 2 times as many green peppers as olives and 4 times as many mushrooms as olives. How many tablespoons of ingredients are on the pizza in all?

• 3 tomatoes

• 9 tablespoons

• 14 tablespoons

• 21 tablespoons

Tags

CCSS.4.OA.A.2