Multiply and Divide Fractions and Mixed Numbers

Susie is making 4 dozen chocolate chip cookies for her school's bake sale. The recipe, which makes 2 dozen cookies, calls for 1 1/2 cups of flour. How much flour will Susie need to make 4 dozen cookies?

Ben is making churros for the school's bake sale. The original recipe serves 4 people. He wants to make 24 servings. If the original recipe calls for 2 1/2 tablespoons of white sugar, how many tablespoons of sugar will he need for 24 servings?

Which expression is correct for this problem?

• 18 x ⅚

• 18 ÷ ⅚

• ⅚ ÷ 18

John bought 5 1/4 bags of garden soil. He put the soil in three big pots. He put the same amount of soil in each pot. How much soil did John put in one pot?

• 1 3/4 bags

• 8 1/4 bags

• 63/4 or 15 3/4 bags

• 2 1/4 bags

¼ × ⅚ =

• ¹/₄

• ⁶/₂₀

• ⁵/₂₄

• ³/₂₀

1 ¼ × 2 ¾ =

• 3 ⁷/₁₆

• 1 ¹/₂

• 2 ³/₁₆

• 4 ¹/₄

2 ³/₄ × 12 =

• 33

• 24 ³/₄

• 24 ¹/₃

• 120

2  ÷ 1/3

• 2/6

• 6

• 1/3

• 1/6

• 2  ¹/₅
• 2  ⁴/₁₅
• 6  ⁸/₁₅
•   1  ¹/₅