Numbers Base Ten: "Adding Multiples of 10 (Horizontal)"
ABOUT THIS LESSON: Math Numbers Base Ten, 1st Grade

Lesson 4 of 5.  Students will add two digit numbers (and will decide how to proceed from a horizontally written problem). The worksheets include one problems page, and one answers page. *
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ABOUT THE AUTHOR: Elizabeth Sweet has taught grades 3-5 since 2003. Her awards include County Teacher of the Year (2015). When she’s not busy teaching 4th grade in the American public school system, she enjoys baking, reading, knitting and exploring nature.

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