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Adding Decimals
Subtracting Decimals
Multiplying Decimals
Where's the decimal go?
Line it up!
100
57.2+22.7
79.9
100
5.2-3.1
2.1
100
2.2 x 4.3
9.46
100
Where does the decimal go in the number two
2.0 --> the decimal goes to the right of the two
100
Line up the equation for 2.5 + 6.8
2.5 +6.8
200
.75+.23
.98
200
18.84-7.62
11.22
200
9.8 x 7.9
77.42
200
Where does the decimal go in the number fifteen?
15.0 --> the decimal goes to the right of the five
200
Line up the equation for 5.73 + 6.95
5.73 +6.95
300
136.13+212.54
348.67
300
45.85-26.37
19.48
300
Free Points!! (aren't I such a nice teacher?)
Thank you! (if you didn't say thank you, you don't get the points)
300
Where does the decimal go in the number four?
4.0 --> the decimal goes to the right of the four
300
Line up the equation for 12.5 + 2.7
12.5 +2.7
400
498.76+265.48
764.24
400
1.00-.37
.63
400
3 x 2.5
7.5
400
Where does the decimal go in the number two hundred?
200. --> the decimal goes to the right of the zeros
400
Line up the equation for 8.54 +3.2
8.54 +3.20
500
812.218+287.782
1100
500
100-18.43
81.57
500
12.6 x 9.8
123.48
500
Where does the decimal go in the number two and a half?
2.5 --> the decimal goes between the two and the five.
500
Line up the equation for 15 + 7.943
15.000 +7.943