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
Leah made sandwiches for her and her siblings every day during a week. She made 4 sandwiches each day. How many sandwiches did Leah make over the course of the week?
Problem 2
Jose and his two friends have 24 markers altogether. If they each have the same number of markers, how many markers does Jose have?
Problem 3
Cora went on a trip with her parents. She was bored at lunch and counted all the tires in the parking lot. If she counted 36 tires on cars, how many cars were in the parking lot?


aligns: no