Multiply or Divide?

Multiply or Divide?

Multiplication

• Multiplication is commutative, the order of the factors doesn't change the product.

• The "product" is the answer to a multiplication sentence.

• Can be done with repeated addition.

• We multiply when we have a certain number of equal groups and are asked to find the total.

• The product is greater than the largest factor.

Division

• A method of distributing of group of things into equal parts.

• Division is the result of sharing equally.

• The numbers used in division can not commutative.

• The quotient is less than what you started with.

Clue words

What words help guide me to the proper operation?

Analyzing a Math Story

• I notice....

• I wonder?

• Words are important and need to be read carefully.

• What operation am I asked to perform?

• Now what strategy do I need to use to solve this math story?

Poll

Jessica has a rectangular walkway that is 61 yards long and 25 yards wide. What is the area of Jessica's walkway in square yards?

• Multiply

• Divide

Multiple Choice

Solve: Jessica has a rectangular walkway that is 61 yards long and 25 yards wide. What is the area of Jessica's walkway in square yards?

• 36

• 86

• 565

• 1,525

Poll

There are 125 sheets of paper in a pack. A classroom uses 30 packs of paper in a year. How many total sheets of paper does the classroom use?

• Multiply

• Divide

Multiple Choice

Solve: There are 125 sheets of paper in a pack. A classroom uses 30 packs of paper in a year. How many total sheets of paper does the classroom use?

• 155

• 625

• 1,875

• 3,750

Poll

Mark collected 1,425 donated prizes for the school fair. He equally shared the prizes with 15 classrooms. How many prizes did he give to each class?

• Multiply

• Divide

Multiple Choice

Solve: Mark collected 1,425 donated prizes for the school fair. He equally shared the prizes with 15 classrooms. How many prizes did he give to each class?

• 95

• 96

• 1,410

• 1,440

Poll

A candy company packaged boxes of candy. Each box held 60 ounces of candy. On Tuesday, the candy company produced 2,828 ounces of candy. How many boxes of candy can the company completely fill on Tuesday?

• Multiply

• Divide

Multiple Choice

Solve: A candy company packaged boxes of candy. Each box held 60 ounces of candy. On Tuesday, the candy company produced 2,828 ounces of candy. How many boxes of candy can the company completely fill on Tuesday?

• 46

• 47

• 48

• 2,768

Poll

An apple orchard sold 155 apples in September. In November, it sold 17 times as many apples as it did in September. How many apples did the apple orchard sell in November?

• Multiply

• Divide

Multiple Choice

Solve: An apple orchard sold 155 apples in September. In November, it sold 17 times as many apples as it did in September. How many apples did the apple orchard sell in November?

• 1,250

• 1,550

• 2,635

• 2,835