Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

Operations and Algebraic Thinking

Work with addition and subtraction equations.

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

Operations and Algebraic Thinking

Work with addition and subtraction equations.

NGA Center/CCSSO

Last updated:

2010-06-03 12:42:46

- Operations and Algebraic Thinking
- Elementary (Grades K-2)

Common Core

This is the third lesson in an 8 part unit titled "Math Strategies/Literature Unit." After this lesson, students will be able to: explain that an...

- Operations and Algebraic Thinking
- Elementary (Grades K-2)

Common Core

Students will learn to solve both addition and subtraction problems using multiple intelligences. Children do not learn by the use of only one...

- Operations and Algebraic Thinking
- Elementary (Grades K-2)

Common Core

This resource is part of a 4 lesson module. Topic A-D includes multiplication, division, odd and even numbers.This resource includes the overview,...

- This standard is part of: CCSS.Math.Content.1.OA.D

Finer grained standards that are part of this one

NGA Center/CCSSO

Last updated:

2020-04-03 11:03:03

Standards with the same topic and subject but for other grades

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

16 lessons are aligned with this standard

NGA Center/CCSSO

Last updated:

2010-06-04 06:39:31

Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.

13 lessons are aligned with this standard

NGA Center/CCSSO

Last updated:

2010-06-03 12:27:56

Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 × 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.

9 lessons are aligned with this standard

NGA Center/CCSSO

Last updated:

2010-06-04 06:50:21

Add and subtract within 20.

NGA Center/CCSSO

Last updated:

2010-06-04 06:27:52

Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

27 lessons are aligned with this standard

NGA Center/CCSSO

Last updated:

2010-06-04 06:28:11

State-specific standards derived from this one

North Carolina DOE

Last updated:

2015-06-23 09:57:13

Vermont DOE

Last updated:

2013-06-21 08:28:12

Rhode Island DOE

Last updated:

2013-06-20 15:53:13

North Dakota DOE

Last updated:

2015-04-08 13:03:28

New Jersey DOE

Last updated:

2016-05-13 08:56:22

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