Circles
circumference when diameter is 10cm
31.4cm
(+3)
The expression for (x ,y)
(1, 5), (2, 10), (3, 15), (4, 20)
y = 5x
The sum of 6/14 and 2/7 in lowest terms
5/7
3.4 x 2.8
9.52
circumference when radius is 15m (use approximate value pi=3)
90m
(+5) - (+8)
(-3)
The expression for (x,y)
(1,4), (2, 7), (3, 10), (4, 13)
y = 3x +1
In lowest terms, 6/7 - 2/3
4/21
bxh = 10 x 7 = 70cm2
8m
(-12) + (+3) + (-7)
(-16)
The value when n = 15
3x - 2
43
The sum of 1 3/8 and 2 1/4
3 5/8
20% of 350
70
Calculator: area of circle with diameter 35cm
3846.5cm2
(-6) - (-6) - (-6) - (-2)
(+8)
The expression for (x,y)
(10,5), (8, 4), (6, 3), (4,2)
y = x/2
The sum of 4 3/4 and 2 4/5
7 11/20
9/36 as a percent
25%
r = 12.5m
The difference between a kite in sky at 125m and a fish in the lake below at 20m.
145m
The expression for (x,y) and evaluate when x = 7
(0,3), (1,5), (2,7), (3,9), (4,11) . . . (7, ?)
expression is 2x+3 so 2(7) +3 = 17
The difference in 3 1/3 minus 1 3/4
1 7/12
height of triangle with area 24cm2 and base 8cm.
6cm