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Word problem:
Johnny had 6 red apples. Josey had 12 green apples. Joe gave Johnny 3 red apples. Josey gave 3 of her apples to Johnny and 3 to Joe. How many of each color apples does each person now have?
Sallyanne lives 5 miles from George. George lives half the distance to Sallyanne. If it takes 10 minutes to drive to Sallyanne's house, how many minutes would it take to drive to George's house? If Tammy lives another 5 miles from Sallyanne, how many more minutes to get to Tammy's house?
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How do you change a subtraction problem into an addition?
make it a '+ negative number'. Example: 6 - 7 = -1 6 + (-7) = -1
Is subtraction a short cut for addition?
No, subtraction is not a short cut for additon. In addition, you add numbers to another number to make it bigger. For example, adding 2 to 3 gives you 5. You can see that 5 is bigger than 2 and 3. However, for subtraction, you take away numbers to make a number smaller. If you take away 2 from 5, you get 3. As you can see, 3 is smaller than 5, which proves that subtraction makes a number smaller.
What is -9--6?
-3
Explain what borrow trade regroup mean in subtraction?
it means to take away and borrow means to take away and regroup means to rearrang(make problem
What do borrow trade and regroup mean in subtraction?
it means to take away and borrow means to take away and regroup means to rearrang(make problem easier)
