How to learn Grade 1: Mathematics
Kansas academic standards: Mathematics, Grade 1
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1. Number and Operations in Base Ten · Add within 100 using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtrac
- Adding numbers: Add up to four two-digit numbers using strategies based on place value and properties of operations
- Addition and subtraction within 1000: Add and subtract within 1000 using concrete models, drawings, and strategies based on place value; understand composing and decomposing tens and hundreds
- Adding within 100: Add within 100 using strategies based on place value, including adding a two-digit and one-digit number, and a two-digit and a multiple of 10
2. Number and Operations in Base Ten · Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
- The two digits of a two-digit number: Understand that the two digits of a two-digit number represent amounts of tens and ones