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Adding Decimals
Subtracting Decimals
Front End Estimates
Word Problems
Combining Terms
100
1.7 + 0.8 =
2.5
100
1.9 - 0.3 =
1.6
100
235 + 401 =
200 + 400 = 600
100
What is 25 minus 5?
20 Double Bonus
100
4a + 2a =
6a
200
12.65 + 2.55 =
15.20
200
13.2 - 11.8 =
1.4 Double Bonus!!!
200
660 + 390 =
700 + 400 = 1100
200
what is the product of 5 and 3?
15
200
5b + 2a + 2b =
7b + 2a
300
123.89 + 12.20 =
136.09
300
65.2 - 4.6 =
60.6
300
1,200 + 670 =
1000 + 700 = 1,700
300
If you earn 12 dollars on monday, 8 dollars on tuesday, and 10 dollars on wednesday, how much money did you earn?
30 dollars
300
2w + 10y + 2w - 5y =
4w + 5y
400
1,204.1 + 23.908 =
1228.008 Double Bonus
400
135.22 - 21.07 =
114.15
400
28,210 + 21,018 =
30,000 + 20,000 = 50,000
400
you bought 60 slices of pizza for 5 friends. How many pieces does each person get?
60/5 = 12 each
400
12b + 6 - 5b =
7b + 6 TRIPLE BONUS!!!
500
12.6 + 3.2 + 5.9 =
21.7 TRIPLE BONUS!!!
500
751.3 - 49.66 =
701.64 DOUBLE BONUS!!!
500
161,853 + 713,036 =
200,000 + 700,000 = 900,000
500
In our football game we ran for 20 yards, lost 5 yards, and ran for 10 more. How far did we go?
35 yards DOUBLE BONUS!!
500
1a + 1b + 1c + 2a + 3b =
2a + 3b + 1c