Fractions
Write 3 1/4 as an improper fraction.
(3x4+1)/4 = 13
13/4
What's 1.0 + 2.5?
3.5
5 - 3
2
Find 1030 + 10100
10130
What's 1 + 1
2
Multiply and Simplify:
3/20 x 2/20
Multiply the numerators and denominators
3/20 x 2/20 = (3x2)/(20x20) = 6/400
6/400 is (2 x 3)/(2 x 200) = 3/200
Convert 3/10 to decimal
0.3
-6 + 19
13
10020 / 1005
10015
What's 6/5 in decimal
Divide and Simplify:
3/5 / 9/4
Multiply 3/5 by the reciprocal of 9/4
3/5 x 4/9 = 12/45
12 = 3 x 4
45 = 3 x 15
(3 x 4) / (3 x 15) = 4/15
4/15
Multiply: 3.5 x 1.6
35 x 16 = 560
two total decimal places.
5.6.
-5 x -4 x 4 x 5
400
1 + 400 = 401
x + x + x * x
x2 + 2x
Warren bought 9 candy bars and ate 1/3 of them.
Tyron bought 6 candy bars and ate 2/3 of them
Who ate more candy bars?
9 x 1/3 = 3
6 x 2/3 = 4
Tyron ate more candy bars.
Divide: 7.5 / 1.6
4.6875
Does 5 + -6 equal (8 - 3)/-5
Yes
50-2 = ?
1/502
Make a table of values for the expression 3x - 2 (for x=1, 2, 3, 4, and 5). Then, draw a graph of the expression by plotting those values.
3x-2 = 1, 4, 7, 10, 13
Vincent is allowed to play video games for 5/3 hours each day. He has already played for 3/4 hours today.
What fraction of an hour does Vincent have left to play video games today?
5/3 = 20/12
3/4 = 9/12
20/12 - 9/12 = 11/12
Vincent has 11/12 hours left to play video games.
Jasmine took a walk around a around a park twice. She took 12.4 minutes to walk the first round. In the second round. He took 3.2 fewer minutes than the first round. How long did David take to complete his walk?
12.4 minutes = 12 minutes and 24 seconds
3.2 minutes = 3 minutes and 12 seconds
Add them to get 15 minutes and 36 seconds.
What's the opposite of (5 x -6)/-20
Negative of 3/2 = -1.5
550 + 550
2(550)
Who is algebra named after?
Al-jabr