# Math (TAG): Multiplication and Division of Fractions

### Suggested Time Frame: 10 Instructional Days

##### Focus TEKS

Estimation (Use throughout unit)

• 5.3A estimate to determine solutions to mathematical and real-world problems involving addition, subtraction, multiplication, or division; – S RC2

Multiplying and Dividing Fractions with Whole Numbers (Represent the Operation and Solve Problems)

• 5.3I represent and solve multiplication of a whole number and a fraction that refers to the same whole using objects and pictorial models, including area models S
• 5.3J  represent division of a unit fraction by a whole number and the division of a whole number by a unit fraction such as 1/3 ÷ 7 and 7 ÷ 1/3 using objects and pictorial models, including area models S
• 5.3L divide whole numbers by unit fractions and unit fractions by whole numbers R
##### Computational Fluency TEKS

Recall Facts – apply to multiplication, division, and numerical expressions

• 3.4F  recall facts to multiply up to 10 by 10 with automaticity and recall the corresponding division facts

Multiply and Divide Whole Numbers

• 5.3B multiply with fluency a three-digit number by a two-digit number using the standard algorithm; – S RC2
• 5.3C solve with proficiency for quotients of up to a four-digit dividend by a two-digit divisor using strategies and the standard algorithm; – S RC2

Numerical Expressions

• 5.4F simplify numerical expressions that do not involve exponents, including up to two levels of grouping; – R RC1
• 5.4E describe the meaning of parentheses and brackets in a numeric expression; – S RC1
##### Spiral Review TEKS

Making sense of fractions in problem situations – Represent, Estimate, Solve

• 4.3D Compare two fractions with different numerators and different denominators and represent the comparison using the symbols >, =, or < R
• 4.3G Represent fractions and decimals to the tenths or hundredths as distances from zero on a number line S
• 5.3A Estimate to determine solutions to mathematical and real-world problems involving addition, subtraction, multiplication, or division – S
• 5.3H Represent and solve addition and subtraction of fractions with unequal denominators referring to the same whole using objects and pictorial models and properties of operations- S
• 5.3K Add and subtract positive rational numbers fluently- R