Thinkster is proud to announce the acquisition of AI EdTech company SelectQ.io as part of our family post acquisition.
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# Number Sense

Understanding that 5 digit numbers have digits with place values of ten thousands, thousands, hundreds,tens and ones. Understanding the concept of place value and learning to add and subtract using place values. Applying logical reasoning to find numbers using place values.

#### Mapped to CCSS Section# 4.NBT.A.2, 3.NBT.A.2, 4.NBT.A.3, 2.NBT.A.1

Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.,Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.,Use place value understanding to round multi-digit whole numbers to any place.,Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases: