Adding
Subtracting
Multiplying
Dividing
Notations
100
x + (-37) = -46
x = -9
100
y - 27 = -23
y= 4
100
-16 x 3 = ___
-48
100
x / 7 = 30
x = 210
100
10,000,000 =
1 x 10 to the 7th
200
9/15 + 32/15 = ____
2 and 11/15
200
-2 - (-2) - (-2) - 2 = ___
0
200
-3.82 x -3.92 = ___
14.9744
200
782 / 2 = ___
391
200
.000000081 =
8.1 x 10 to the -8th
300
28.89 + 365.67 = ___
394.56
300
7/8 - 1/3 = ___
13/24
300
11/13 x 7/8 = ___
77/104
300
8/64 / 2/8 = ___
1/2
300
123,500,000,000,000,000 =
1.235 x 10 to the 17th
400
384 + (-437) = ___
-53
400
32.2 - 33.785 = ___
-1.585
400
4.72 x 78.9 = ___
372.408
400
52.12 / 19.76 = ___
2.637
400
.00000000456
4.56 x 10 to the -9th
500
384/385 + 72/5 = ___
15 and 153/385
500
85 and 5/7 - 82 and 1/3 = ___
4 and 1/7
500
890 x y = 307,940
y = 346
500
-23.1 / -17.27 = ___
1.3375
500
1.2345 x 10 to the -9th x 10 to the 43 =
1,234,500,000,000,000,000,000,000,000,000,000