Unit 5 Lesson 3 Fact Families Copyright © 2010 Kelly Mott

Unit 5 Lesson 3 Fact Families Copyright © 2010 Kelly Mott

Part 1: Vocabulary Review Copyright © 2010 Kelly Mott

6 ÷ 2 = 3 The _____________________is the number that is divided. It represents the total number of items present. Division Vocabulary Copyright © 2010 Kelly Mott

6 ÷ 2 = 3 Division Vocabulary Copyright © 2010 Kelly Mott The _____________________is the number you divide by.

6 ÷ 2 = 3 Division Vocabulary Copyright © 2010 Kelly Mott The _____________________is the answer in division

6 ÷ 2 = 3 Dividend Quotient Divisor LABEL THE PARTS: DRAW A LINE Copyright © 2010 Kelly Mott

2 6 The _____________________is the number that is divided. It represents the total number of items present. 3 Division Vocabulary Copyright © 2010 Kelly Mott

2 6 3 Division Vocabulary Copyright © 2010 Kelly Mott The _____________________is the number you divide by.

2 6 3 Division Vocabulary Copyright © 2010 Kelly Mott The _____________________is the answer in division.

2 6 Quotient Divisor Dividend 3 Copyright © 2010 Kelly Mott LABEL THE PARTS: DRAW A LINE

Part 2: New Vocabulary Copyright © 2010 Kelly Mott

A fact family is a group of numbers that are related. A fact family has ______ numbers. A fact family has ______ different math problems. Copyright © 2010 Kelly Mott Vocabulary

Fact Families: Part 1 Copyright © 2010 Kelly Mott

x 2 = 8 2 x 4 = 8 8 ÷ 2 = 4 8 ÷ 4 = 2 Fact Families: Example 1 Copyright © 2010 Kelly Mott

x 4 = 12 4 x 3 = ÷ 4 = 3 12 ÷ 3 = 4 Fact Families: Example 2 Copyright © 2010 Kelly Mott

__ x __ = __ __ ÷ __ = __ Fact Families: Practice 1 Copyright © 2010 Kelly Mott

3 2 6 __ x __ = __ __ ÷ __ = __ Fact Families: Practice 1 Copyright © 2010 Kelly Mott

Fact Families: Part 2 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 3 x 2 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Example Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 4 x 2 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Practice 1 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 3 x 4 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Practice 2 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 4 x 5 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Practice 3 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 5 x 6 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Practice 4 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 6 x 3 = __ __ x __ = __ __ ÷ __ = __ Steps: 1.Solve the problem. 2.Switch the factors. 3.Show the inverse division problem for each. Fact Families Practice 5 Copyright © 2010 Kelly Mott

Fact Families: Part 3 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 16 ÷ 2 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Example Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 12 ÷ 3 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Practice 1 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 18 ÷ 3 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Practice 2 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 20 ÷ 4 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Practice 3 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 30 ÷ 5 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Practice 4 Copyright © 2010 Kelly Mott

Unit 5 Lesson 3: Fact Families 45 ÷ 5 = __ __ ÷ __ = __ __ x __ = __ Steps: 1.Solve the problem. 2.Switch divisor and the quotient for the 2nd fact. 3.Then show each related multiplication fact. Fact Families Practice 5 Copyright © 2010 Kelly Mott

How did you do? Copyright © 2010 Kelly Mott

HOMEWORK Math Steps Pages: Teacher Worksheets: Re-teach Page: 91 Copyright © 2010 Kelly Mott