Easy Addition Facts Worksheet Page 24
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75A24
Easy Addition: The Doubles Facts
It may be surprising, but students learn doubles facts faster than many other addition
facts. One of the best ways to communicate this strategy is to use a ten frame.
A Ten Frame for 4 + 4
Add 4 more
Demonstrating the Strategy
You can use the tens frame to show doubles facts. In the example above, you would
count, “one, two, three, four. We have 4, and now we are going to add 4 more. 5, 6, 7, 8.
That gives us 8. 4 + 4 = 8. Notice the pattern. ” Use a number of different facts to
communicate the doubles strategy. Note, a ten frame will be confusing for doubles that
are greater than 5 + 5. Also, the larger dots in the tens frame just demonstrate a
change or in this case, what is added. In class, you can use dots or chips that are all
the same size.
General Guidelines
Remember, use the first page of the facts set to talk about the strategy. Give students
enough time to apply the strategy to the facts. For the remaining pages, use the mastery
criterion – at least 35 correct facts out of 40 in two minutes. Duplicate fact sheets if you
need to in order to give students enough practice to meet the mastery criterion. Also,
look over student sheets to see if particular facts are difficult for students. If so, provide
even more practice on these facts.
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