Fluently add and subtract within 20
Equal Groups ( odd or even numbers)
number of objects arranged in rectangle arrays with up to 5 rows and up to 5 columns
Understanding Place Value
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.
100 can be thought of as a bundle of ten tens—called a “hundred.”
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones)
count within 1,000 and ship count by 5's, 10's, and 100's
Read, Write show numbers 1,000
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form( ex: 547 in expanded form is 500 + 40 + 7)
Addition and Subtraction word problems
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