## 1.OA.D.7

## 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.

19 Lesson(s)

#### Students play an interactive game and practice crucial math fluency in this lesson on the meaning of the equals sign.

#### Students apply what they learned about the inequality symbols and explore the meaning of the equal sign all while playing a fun, interactive game!

#### So many things to do and so little time to do them in. Students will have the opportunity to challenge their addition and subtraction skills through a variety of activity choices.

#### Students are expected to grasp that measuring the same object with different units can yield a different number, but represent the same quantity.

#### Incorporate technology in this lesson! Students practice balancing equations and apply their understanding of missing parts.

#### The magic spoon is back and its scooping more than last time. Students figure out the combinations of apples and bananas that I could have had on my breakfast plate.

#### Which one of these is not like the other?! Students apply their understanding of 3 addend equations to decide which number sentence in a group of 4 is false. First person to find the false number sentence wins!

Big Idea: