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Addition Strategies
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Composing and Decomposing
Composing and Decomposing
Lesson Plan
Composing and Decomposing
Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.
2nd grade
Math
Lesson Plan
Three-Digit Addition Strategies Review
Three-Digit Addition Strategies Review
Lesson Plan
Three-Digit Addition Strategies Review
Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.
2nd grade
Math
Lesson Plan
Let's Build It! Two-Digit Addition
Let's Build It! Two-Digit Addition
Lesson Plan
Let's Build It! Two-Digit Addition
Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.
1st grade
Math
Lesson Plan
Three-Digit Addition with Base-Ten Models
Three-Digit Addition with Base-Ten Models
Lesson Plan
Three-Digit Addition with Base-Ten Models
Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.
2nd grade
Math
Lesson Plan
Place Value Practice
Place Value Practice
Lesson Plan
Place Value Practice
Introduce place value to your emerging mathematicians while focusing on the numbers 11–20. In this lesson, students will practice separating teen numbers into 10 ones and some additional ones using unifix cubes and ten frames.
Kindergarten
Math
Lesson Plan
Give Me 10!
Give Me 10!
Lesson Plan
Give Me 10!
Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!
1st grade
Math
Lesson Plan