standard_description: Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
problem_activity: Problem 1
Ms. Macklin puts thirty-two pencils into 4 pencil jars. She puts an equal number into each jar.
a.   How many pencils are in each pencil jar?
b.   How many pencils are in 3 pencil jars?
Problem 2
Mr. Bader has 5 pans of brownies, each of which he cuts into 6 pieces. He then puts an equal number of brownie slices onto 3 plates. How many brownie pieces are on each plate?


aligns: no