SUBTRACT A ONE-DIGIT NUMBER FROM A TWO-DIGIT NUMBER - WITHIN 20
Subtract a One-Digit Number from a Two-Digit Number - within 20
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Let's find the difference of 17 and 9.
To find the difference, we need to count back from the greater number.
17 – 9 = ?
Let’s start from 17 and count back 9:
17, 16, 15, 14, 13, 12, 11, 10, 9, 8.
17 – 9 = 8
So, the difference of 17 and 9 is 8.
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.