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.
Vocabulary
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
Vocabulary
Pictograph
Bar Graph
Data
Symbol
Key
Survey
Range
Median
Mode
Predict
Line Plot
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
Vocabulary