Description
Topic 6 Lesson Plans for Grade 1. SUBTRACTION FACTS TO 20: Includes Danielson key components, standards, objectives, background knowledge, procedures, materials, modifications and assessment.
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Highlights
Digital downloads
Grades
1st
Subjects
Standards
CCSS1.OA.A.1
CCSS1.OA.B.4
CCSS1.OA.C.6
Tags
Pages
6
Description
Topic 6 Lesson Plans for Grade 1. SUBTRACTION FACTS TO 20: Includes Danielson key components, standards, objectives, background knowledge, procedures, materials, modifications and assessment.
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Standards
to see state-specific standards (only available in the US).
CCSS1.OA.A.1
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
CCSS1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
CCSS1.OA.C.6
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
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