Three digit-two digit subtraction with regrouping tens:grade 2 - By university of Houston mathematics education
The video describes student strategies for three digit subtraction regrouping tens using concrete, pictorial and abstract models.
Three digit-two digit subtraction with regrouping tens:grade 2 is a free educational video by university of Houston mathematics education.It helps students in grades 2 practice the following standards 2.NBT.B.7.
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1. 2.NBT.B.7 : Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds..
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