Solve the subtraction exercise using jumps on the number line below:
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Solve the subtraction exercise using jumps on the number line below:
To solve the subtraction problem using jumps on the number line, follow these steps:
Step 1: Start at 81 on the number line.
Step 2: Subtract 10 by taking a large jump back to 71.
Step 3: Subtract the remaining 4 by taking a smaller jump back.
Therefore, using jumps on the number line, the solution to is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
Breaking into tens and ones makes counting much easier! Jumping by 10 is simple (just change the tens digit), then you only need to count back the small amount.
Write down each step! Start at 81, write "81 - 10 = 71", then "71 - 4 = 67". This keeps you organized and prevents mistakes.
Absolutely! You could use 7 + 7, or 5 + 9, but tens and ones (10 + 4) is usually fastest because jumping by 10 is so easy.
Add your answer back to what you subtracted: . If you get your starting number (81), you're right!
Same strategy! Break 23 into 20 + 3. Jump back 20 (easy with tens), then jump back 3. The pattern works for any size numbers.
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