Standard Alignments:

TEKS Math: 1.3.A

(A) Use concrete and pictorial models to determine the sum of a multiple of 10 and a one-digit number in problems up to 99

AU Math: ACMNA014

(Y1) Count collections to 100 by partitioning numbers using place value (ACMNA014)

CCSS Math: 1.NBT.2

1.NBT.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

Related Lessons

Identify the Place & Value of Digits in a Number (2 of 2)
Add Two-Digit Numbers (Without Composing)
Count and Write Numbers to 120
Count and Write Numbers to 50
Compare Two-Digit Numbers Using Symbols
Determine Ten More or Ten Less Than a Number
Count Objects 20-100
Identify Groups of Tens (Place Value)
Count By Twos
Count Objects 100-120
Compare Two Numbers (No Symbols)
Count by Fives
Subtract Multiples of Ten
Add Two-Digit Numbers (With Composing)
Represent Numbers 11-19

Related Concepts

Identify Groups of Tens (Place Value)
Flashcards Identify Place Value of a Three-Digit Number