Lesson 5.1
- Objective: Solve addition and subtraction problem situations using the strategy make a model.
Lesson 5.2
- Objective: Record related facts within 20.
- Vocabulary:
- related facts
Lesson 5.3
- Objective: Identify related addition and subtraction facts within 20.
Lesson 5.4
- Objective: Apply the inverse relationship of addition and subtraction.
Lesson 5.5
- Objective: Use related facts to determine unknown numbers.
Lesson 5.6
- Objective: Use related fact to subtract.
Lesson 5.7
- Objective: Choose an operation and strategy to solve an addition or subtraction word problem.
Lesson 5.8
- Objective: Represent equivalent forms of numbers using sums and differences within 20.
Lesson 5.9
- Objective: Determine if an equation is true or false.
- Objective: Add and subtract facts within 20 and demonstrate fluency for addition and subtraction within 10.
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