## CCSS.Math.Content.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.

Authors: National Governors Association Center for Best Practices, Council of Chief State School OfficersTitle: CCSS.Math.Content.1.OA.D.7 Understand The Meaning Of The Equal Sign, And Determine If... Operations and Algebraic Thinking - 1st Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/20/2014)

- I4C - Is the equation true or false? - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.OA.D.7. There are 100 worksheets available on this topic. A master answer key is available.
- Adding equations - Fill in the missing addend to make the equation equal on both sides.?
- Balance Equations - Online quiz; fill in the number that balances these equations.
- Equal Sums - Worksheet and game; Take turns to turn over two cards. If the sums match you keep both cards. If the sums do not match you must turn the two cards back over.
- Equations - Fill in the missing addend to make the equation equal on both sides.?
- True or False - Worksheet and game; Take turns to turn over a card and decide whether the number sentence is true or false.
- Which Sign? - Which sign is missing? Type?+?or???in the blank.
- Which Symbol? - Which comparison belongs in the circle? Choose the correct symbol.