Zusammenfassung der Ressource
Math 2nd Grade
Trimester 2
Martha Susana
López 2019-2020
- Unit 5:
Multiplication
- L.E.: 2.OA.C.3 Determine whether a
group of objects (up to 20) has an
odd or even number of members
- Lesson 1:
Adding equal
groups
- Lesson 2: Making
multiplication
stories
- Lesson 3:
Multiplication
within 40
- Unit 6:
Division
- L.E.: 3.OA.A.2 Interpret
whole-number quotients
of whole numbers
- Lesson 1: Sharing
and grouping
- Lesson 2: Division
within 40
- L.E.: ISTE5C2 Break problems into component
parts, extract key information, and develop
descriptive models to understand complex
systems or facilitate problem-solving.
- Unit 7:
Multiplication tables
of 2, 5 and 10
- L.E.: 3.OA.C.7 Fluently multiply and divide within
100, using strategies such as the relationship
between multiplication and division or properties
of operations. By the end of Grade 3, know from
memory all products of two one-digit numbers.
- Lesson 1:
Multiplying by 2
- Lesson 2:
Multiplying by 5.
- Lesson 3:
Multiplying by 10
- Lesson 4:
Dividing by 2.
- Lesson 5:
Dividing by 5.
- Lesson 6:
Dividing by 10.
- Unit 9:
Addition and
subtraction
- L.E.: 2.NBT.B.7 Add and subtract within 1000, using
concrete models or drawings and strategies based
on place value, properties of operations, and/or
the relationship between addition and subtraction
- Lesson 1:
Finding the
missing number
- Lesson 2:
Mental addition
- Lesson 3: Mental
subtraction
- Unit 10:
Addition and
subtraction
- L.E.: 3.0A.A.1
Interpret products
of whole numbers
- Lesson 1:
Multiplying by 3
- Lesson 2:
Multiplying by 4
- L.E.: 3.OA.B.6
Understand division as
an unknown-factor
problem.
- Lesson 3:
Dividing by 3.
- Lesson 4:
Dividing by 4