Unit 2: Number and Operations: Multiplication & Division (24 days)
Solve multiplication and division problems involving positive rational numbers
Decimal-Fraction Equivalence
Use the area model and the standard algorithm to solve problems with a three-digit number by a two-digit number(2 Digit by 2 Digit, 3 Digit by 2 Digit, Whole # by Decimal, Decimal by Decimal)
Divide up to a four-digit dividend by a two-digit divisor using strategies, models, partial quotient and the algorithm
Represent the multiplication and division of decimals using objects and pictorial models (including area models)
Estimate to determine solutions to mathematical and real-world problems including all operations
Identify Prime and Composite Numbers
Area through the connection and use of the area model for multiplication
Reinforcement of all facts through 12 x 12
TEKS: 5.3A 5.3B 5.3C 5.3D 5.3E 5.3F 5.3G 5.4A, 5.4 H
Unit 2
How does the simplification of numerical expressions change/differ when multiplication is included?
How can patterns be used to determine the standard formulas for area and perimeter of a square?
How does the mathematical relationships between finding the perimeter and area of a rectangle or square compare to the volume of a rectangular prism or cube?
How can patterns and equations be used as tools to best describe and help explain real-life situations?
How can you use a variable?
How do operations with decimals compare to operations with whole numbers?
What is your favorite representation to solve for quotients of decimals? Why?
Unit 2
Previously introduced words:
benchmark fraction, estimate, estimation language (about, a little more/less than, close to, approximately)
compatible number, estimate, estimation language (about, a little more/less than, close to, approximately), round, dividend, divisible, divisor, factor, product, quotient, unknown quantity/variable