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Standards for Mathematical Practice that we work on continuously throughout the year are as follows:
1. Make sense of problems and persevere in solving them.
2. Reason abstractly and quantitatively
3. Construct viable arguments and critique the reasoning of others.
4. Model with mathematics.
5. Use appropraite tools strategically.
6. Attend to precision.
7. Look for and make use of structure.
8. Look for and express regularity in repeated reasoning. -
Chap. 5-Subtraction of Two-Digit Numbers
Vocabulary
Whole - Part = Part
Related Subtraction Facts
Subtraction Sentence
Related Addition and Subtraction Facts
Count Up
Fact Family
Ones
Tens
Digit
2-Digit Number
Regroup
1 Ten = 10 Ones
Round
Estimate
Concepts
Subtract Tens and Ones
Mental Math Subtraction
Ways to Make Numbers
Regroup Tens as Ones: Use Models
Regroup Tens as Ones: Model and Record
Regroup Tens as Ones
Mental Math: Subtract Two-Digit Numbers
Estimate Differences
Rewrite Two-Digit Subtraction
Add to Check
Subtraction Practice
Chain Operations
Problem Solving: Read and Write in Math: Ask a Question
Choose the Method
Mixed Practice
Problem Solving Applications: Mixed Strategies
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Chapter 4
Vocabulary
Addition Sentence
Ones
Tens
Digit
Ten Rod
Two digit Number
Algorithm
Regroup
10 ones = 1 ten
Estimate
Round
Chapter 4 Concepts
Add Tens and Ones
Mental Math
Regroup Ones as Tens
Estimate Sums
Rewrite Two Digit Addition
Three Addends
Four Addends
Problem Solving Strategies -
Chapter 3
Vocabulary
Pictograph
Bar Graph
Data
Symbol
Key
Survey
Range
Median
Mode
Predict
Line Plot
Concepts
Pictographs
Bar Graphs
Surveys
Range, Mode, and Median
Understanding Data
Comparing Data
Line Plots
Problem Solving: Use a Graph
Problem Solving Applications:Mixed Strategies
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Chapter 2-Place Value to 100
Vocabulary
2-Digit Number
Place Value Chart
Expanded Form
Is Less Than (<)
Is Greater Than (>)
Is Equal To (=)
Estimate
Round
Halfway
Even Numbers
Odd Numbers
Count by 3s
Count by 4s
Ones Unit
Tens Rod
Hundred Flat
Value
Just Before
Just After
Between
Concepts
Tens and Ones
Place Value
Number Words 0-100
Place Value of 2-Digit Numbers
Expanded Form
Compare Numbers
Order Using a Number Line
Order Using Models
Estimate
Round to the Nearest Ten
Model Even and Odd
Even and Odd Numbers
Counting Patterns -
Chapter 1 - Adding & Subtracting to Twenty
Vocabulary
add
plus (+)
equals (=)
addend
sum
addition sentence
make 10
doubles +1
doubles -1
subtract
minus (-)
difference
subtraction sentence
count up
fact family
missing addend
part + part = whole
whole - part = part
addend + addend = sum
doubles fact
related addition facts
related subtraction facts
fact family
- Concepts
Addition Concepts
Related Addition Facts
Count On to Add
Extend Facts to 20
Make 10 to Add
Doubles Facts
Doubles +1; Doubles -1
Three Addends
Four Addends
Subtraction Concepts
Add or Subtract to Compare
Count Back to Subtract
Related Subtraction Facts
Relate Addition and Subtraction
Think Addition to Subtract
Use Addition to Check
Count Up to Subtract
Make 10 to Subtract
Writing a Number Sentence
Fact Families
Missing Addends
Use a Bar Model
Fact Patterns
Problem Solving Strategy: Choose the Operation
Problem Solving Strategy: Two-Step Problems
Problem-Solving Applications: Mixed Strategies
