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25
×
The step-by-step process to add one place value at a time and then add those sums to find the total sum.
partial sums
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×
thief
Give points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
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banana
Go to last place!
Oops!
15
×
You can _______ an answer when you do not need an exact answer.
estimate
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5
×
Decompose the number 809
800+9
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25
×
Adjust the equation 333 - 212
-2 on both sides
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5
×
Any number with 1, 3, 5, 7, or 9 in the ones place.
odd umber
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15
×
Write the number seven hundred and eighty two in standard form
782
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25
×
Write the number 2,450 in word form
two thousand four hundred and fifty
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5
×
How can you double check your work?
By using a different strategy then how you solved it
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banana
Go to last place!
Oops!
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magnet
Take 25 points!
Okay!
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rocket
Go to first place!
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baam
Lose 25 points!
Oops!
15
×
When you ________ addends, you break them apart.
decompose
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lifesaver
Give 10 points!
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gold
Win 50 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
Oops!
20
×
Write the number 589 in expanded form
500 + 80 + 9
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25
×
Round the equation to the nearest 10th 356 + 243
360 + 240
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25
×
Adjust the equation 546 + 367
+3 -3 on both sides or +4 -4on both sides
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5
×
A number that ends with 0, 2, 4, 6, or 8.
even number
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