Chapter 21: Understand Fractions

Lesson 1: Read and Write Fractions. Objective: To read and write fractions.

Lesson 2: Equivalent Fractions. Objective: To find equivalent fractions.

Lesson 3: Compare and Order Fractions. Objective: To compare and order fractions using two-color counters and fraction bars.

Lesson 4: Problem Solving Strategy: Make a Model. Objective: To solve problems by usin the strategy *make a model*.

Lesson 5: Mixed Numbers. Objective: To read, write, and compare mixed numbers and to express fractions greater than 1 as mixed numbers.

Vocabulary: number line, greater than (>), less than (<), order, fraction, numerator, denominator, equivalent fractions, simplest form, mixed number

**number line:** a line with equally spaced tick marks named by numbers

**greater than (>), less than (<):** symbols used to compare two numbers

**order:** arrange in numerical sequence from least to greatest or greatest to least

**fraction: **a number that can name part of a whole

**numerator:** the part of a fraction that tells how many parts of a whole are being considered

**denominator:** the part of a fraction that tells how many equal parts are in a whole

**equivalent fraction: **two or more fractions that name the same amount

**simplest form: **a fraction where 1 is the only number that can be divided equally into its numerator and denominator

**mixed number: **an amount written as a whole number and a fraction

Our textbook website: www.harcourtschool.com

Some good practice websites:

http://www.gamequarium.com/placevalue.html

http://www.softschools.com/math/games/

www.multiplication.com

www.funbrain.com