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Grade 3 Math - Adding and Subtraction 10 is a free educational video by Lumos Learning.It helps students in grades 3 practice the following standards 4.NBT.A.2.
1. 4.NBT.A.2 : 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. (Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.).