Unit 2: Operations with Rational Numbers
**This unit should take appropriately 16 instructional days**
Students will understand that…
Essential Vocabulary:
Additive Inverse
Clustering Estimation
Compatible Numbers
Complex Fraction
Equivalent Fractions
Estimating
Front End Estimation
Multiplicative Inverses
Rational Number
Repeating Decimal
Round and Adjusting Estimation
Terminating Decimal
Factor
Fraction
Integer
Opposite
**This unit should take appropriately 16 instructional days**
Students will understand that…
- all fractions have an equivalent repeating or terminating decimal representation
- all rational decimals can be written as a fraction
- there is an algorithm used to add, subtract, multiply and divide positive and negative decimals
- computing with negative fractions and decimals is similar to computing with negative integers
- you can use a variety of tools to solve real world mathematical problems with positive and negative rational numbers in any form.
Essential Vocabulary:
Additive Inverse
Clustering Estimation
Compatible Numbers
Complex Fraction
Equivalent Fractions
Estimating
Front End Estimation
Multiplicative Inverses
Rational Number
Repeating Decimal
Round and Adjusting Estimation
Terminating Decimal
Factor
Fraction
Integer
Opposite