We are learning about addition with compensation.
Let's look at this calculation together.
28 + 16 =
Which number should we make a tens number?
How are we going to do that?
28 becomes 30 (adding 2) 16 becomes 14 (subtracting the 2)
30 + 14 = 44.
Now it's your turn.
16 + 17 =
36 + 11 =
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