Holt Algebra 1 1-2 Adding and Subtracting Real Numbers 1-2 Adding and Subtracting Real Numbers Holt Algebra 1 Warm Up Warm Up Lesson Presentation Lesson.
ALGEBRA TILES. INTRODUCTION Algebra tiles can be used to model algebraic expressions and operations with algebraic expressions. Algebra tiles can be used.
Operations with integers can be modeled using two-colored counters. Positive +1 Negative.
Understanding Numerical Operations in Preschool
Warm-Up - 6 + - 4 = 5 X -3 = -4 X -4 = 6 + (-2) = -10 – (- 2) =
Integers with Manipulatives
