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• Math: Introducing Volume and Finalizing Fluency with Whole Number Multiplication and Division

# Math: Introducing Volume and Finalizing Fluency with Whole Number Multiplication and Division

### Suggested Time Frame: 17 Instructional Days

##### Focus TEKS

Multiply and Divide Whole Numbers (Represent Problems and Solve Them)

• 5.4B represent and solve multi-step problems involving the four operations with whole numbers using equations [and strip diagrams] with a letter standing for the unknown quantity; – R RC2
• 5.3A estimate to determine solutions to mathematical and real-world problems involving addition, subtraction, multiplication, or division; – S RC2
• 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

Measuring and Calculating Volume

• 5.4H represent and solve problems related to perimeter and/or area and related to volume. – R RC3
• 5.4G use concrete objects and pictorial models to develop the formulas for the volume of a rectangular prism, including the special form for a cube (V = l x w x h, V = s x s x s, and V = Bh); and – NT
• 5.6A recognize a cube with side length of one unit as a unit cube having one cubic unit of volume and the volume of a three-dimensional figure as the number of unit cubes (n cubic units) needed to fill it with no gaps or overlaps if possible; – S RC3
• 5.6B determine the volume of a rectangular prism with whole number side lengths in problems related to the number of layers times the number of unit cubes in the area of the base. – S RC3
##### Numeracy TEKS

• 5.3K add and subtract positive rational numbers fluently; – R RC2 [whole numbers, fractions and mixed numbers with like and/or unlike denominators]

• 4.4A add and subtract whole numbers and decimals to the hundredths place using the standard algorithm; – R RC2
##### Spiral Review TEKS

Prime and Composite Numbers

• 5.4A identify prime and composite numbers; – S RC1