In this video, we show the fastest and easiest way to Add any two-digit number by a multiple of ten. Students can now learn this pivotal foundational skill within minutes.
This is a part of the Common Core Math Standard 1.NBT.C.4 where the objective is to "Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction;"
You can see all 40+ examples and other lessons for foundational math skills at www.MyMathTA.com
Негізгі бет Add Two-Digit number by multiple of ten (Fastest & Easiest Method) (1.NBT.C.4 )
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