Find matching worksheets to go with this lesson at at http://www.mathmammoth.com/addition_1.php
In this Kindergarten/1st grade lesson for addition facts, Mathy (my mascot) and I study the sums with 10 - two numbers that add up to 10:
10 + 0
9 + 1
8 + 2
7 + 3
6 + 4
5 + 5
... and the other way around.
Then I - and Mathy! - drill these sums with the viewers using missing number additions (such as 4 + ___ = 10). Your child can try to answer my drill questions as far as he/she can!
The sums of 19 are also called number bonds. They will help children learn their addition facts for first grade math :)
Then we do some comparisons, comparing sums to numbers. For example, which is greater, 2 + 4 or 5?
Lastly, we solve two word problems involving teddy bears. The latter one of them is a "missing number addition" problem.
Check out also the 1st grade workbook Math Mammoth Addition 1 at http://www.mathmammoth.com/addition_1.php - it contains the same idea for learning addition facts as you see in the video (for sums with 10, plus it has lessons for sums with 5, 6, 7, 8, and 9 also). Download the free samples today!
Tagged under: Mathematics (Field Of Study),Addition,addition facts,First Grade (Grade Level),number bonds,drill,kindergarten,pattern,addition lesson,addition worksheets
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