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: ACMNA036

(Y2) Solve problems by using number sentences for addition or subtraction (ACMNA036)

CCSS Math: 2.NBT.5

2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

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
Add Up To Four Two-Digit Numbers
Count Within 1000
Subtract Three Digit Numbers with Decomposing

Related Concepts

Subtract Two-Digit Numbers (With Decomposing)
Subtract Three Digit Numbers with Decomposing
Add & Subtract Time Intervals
Subtract Multi-Digit Numbers With Decomposing
Use Rounding to Estimate Answers
Flashcards Subtract Three-Digits without Composing
Subtract Multi-Digit Numbers (with Decomposing)
Subtract Fractions with Like Denominators

Special Programs:

Reading Comprehension Level A