Standard Alignments:

TEKS Math: 2.4.B

(B) Add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations

AU Math: ACMNA028

(Y2) Group, partition and rearrange collections up to 1000 in hundreds, tens and ones to facilitate more efficient counting (ACMNA028)

ACMNA030

(Y2) Solve simple addition and subtraction problems using a range of efficient mental and written strategies (ACMNA030)

CCSS Math: 2.NBT.6

2.NBT.6 Add up to four two-digit numbers using strategies based on place value and properties of operations.

Related Lessons

Identify the Place and Value of Digits in a Three-Digit Number
Subtract Two-Digit Numbers (With Decomposing)
Add Two-Digit Numbers (With Composing)
Write Numbers Using Expanded Form
Add Three-Digit Numbers (With Regrouping)
Add Two-Digit Numbers (Without Composing)
Skip-Count By 5s, 10s, and 100s
Compare Three-Digit Numbers Using Symbols
Count Within 1000
Subtract Three Digit Numbers with Decomposing
Subtract Two-Digit Numbers (Without Decomposing)

Related Concepts

Use Fact Families
Add Numbers by Counting Up
Solve Addition Equations
Create Story Problems (Addition & Subtraction)
Write Addition Equations
Memorize Addition Facts
Add With Two-Digit Numbers Within 20
Solve Addition Equations
Add Two-Digit Numbers (With Composing)
Add Three-Digit Numbers (With Regrouping)
Use Arrays (Addition)
Solve Problems Involving Time Intervals
Add Money Amounts
Add Multi-Digit Numbers (with Composing)
Solve Two-Step Word Problems with an Unknown (4 Operations)
Use Rounding to Estimate Answers
Add Multi-Digit Numbers (with Composing)
Solve Addition Word Problems
Memorize Addition Facts
Add Numbers (Sum of 5)
Add Numbers (Sum of 10)
Different Ways to Show Addition Poster