M.2.3

2nd Grade

Course Purpose:

Students will apply place value concepts to the base-ten system in working with multi-digit numbers. Students will select and apply strategies to develop fluency with addition and subtraction within 100.

Outcomes and Components:

M.2.3	Students will apply multiple strategies to solve subtraction problems within 100.
Pacing Instruct/ Assess	Component Code	Component	Standard(s)
	M.2.3.1	Subtract fluently* within 100, including situations with regrouping, using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.	2.NBT.B.5
	M.2.3.2	Use subtraction within 100 to solve one- and two-step word problems* by using drawings and equations to represent the problem involving situations of taking from, taking apart, and comparing with unknowns in all positions with a symbol for the unknown number. Include situations with regrouping.	2.OA.A.1
	M.2.3.3	Explain why subtraction strategies work, using place value and the properties of operations.	2.NBT.B.9

Academic Vocabulary: Solve, explain, strategy

Content Vocabulary: Subtract, regroup, place value, addition, word problem, equation, operation

Outcomes and Components

Math Curriculum Main
Kindergarten
- M.K.1
- M.K.2
- M.K.3
- M.K.4
- M.K.5
- M.K.6
- M.K.7
- M.K.8
1st Grade
- M.1.1
- M.1.2
- M.1.3
- M.1.4
- M.1.5
- M.1.6
- M.1.7
- M.1.8
- M.1.9
2nd Grade
- M.2.1
- M.2.2
- M.2.3
- M.2.4
- M.2.5
- M.2.6
- M.2.7
- M.2.8
- M.2.9
- M.2.10
3rd Grade
- M.3.1
- M.3.2
- M.3.3
- M.3.4
- M.3.5
- M.3.6
- M.3.7
- M.3.8
- M.3.9
- M.3.10
- M.3.11
- M.3.12
4th Grade
- M.4.1
- M.4.2
- M.4.3
- M.4.4
- M.4.5
- M.4.6
- M.4.7
- M.4.8
- M.4.9
- M.4.10
- M.4.11
- M.4.12
- M.4.13
- M.4.14
- M.4.15
- M.4.16
5th Grade
- M.5.1
- M.5.2
- M.5.3
- M.5.4
- M.5.5
- M.5.6
- M.5.7
- M.5.8
- M.5.9
- M.5.10
- M.5.11
- M.5.12
- M.5.13
- M.5.14
6th Grade
- M.6.1
- M.6.2
- M.6.3
- M.6.4
- M.6.5
- M.6.6
- M.6.7
- M.6.8
- M.6.9
- M.6.10
- M.6.11
- M.6.12
- M.6.13
- M.6.14
7th Grade
- M.7.1
- M.7.2
- M.7.3
- M.7.4
- M.7.5
- M.7.6
- M.7.7
- M.7.8
- M.7.9
- M.7.10
- M.7.11
- M.7.12
- M.7.13
8th Grade
- M.8.1
- M.8.2
- M.8.3
- M.8.4
- M.8.5
- M.8.6
- M.8.7
- M.8.8
- M.8.9
- M.8.10
- M.8.11
- M.8.12
- M.8.13
- M.8.14

Math Curriculum

2nd Grade