lesson
Counting Tens and Ones to Find the Total
Count the total value of a number represented with tens and ones.

Count the total value of a number represented with tens and ones.
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7 lessons
Use base-ten blocks to represent, identify, and build two-digit numbers by understanding the value of tens and ones.
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
analyze mathematical relationships to connect and communicate mathematical ideas; and