In this lesson, we will learn how to subtract a one-digit number from a teen number by subtracting from ten.
Q1:
Which addition expression is equal to 14−9?
Q2:
Think about taking away 9 from different numbers.
For example, the pictures show that 10 take away 9 is 1 and 11 take away 9 is 1+1.
Look at these number sentences. Which one is WRONG?
Q3:
Let us try to find 13 take away 9.
We can draw 13 dots as one group of 10 dots and one group of 3 dots.
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