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In this lesson, we will learn how to use ten frames to add two single-digit numbers by first making ten.
Find an expression that has the same answer as
Fill in the blank:
One way to make addition easier is to use addition facts that we already know.
Let us try to find
by first making 10.
We need to add 3 more to 7 to make 10. So move 3 green squares over.
Now we have the same number of squares, but there are 10 in the first ten-frame, and 5 in the second.
is the same as
which makes 15.
Now you have a go. What is
Sherif is adding by making 10.
Which calculation should he do first?
Which calculation should he do next?
Dalia added 7 and 6 by first making 10.
Now, she wants to add 8 and 7.
Which number should she write in the blue circle?
Which number should she write in the red circle?
What is 8 + 7?
There are 10 fish. Fill in the numbers to find another way to make 10.