Decimal Operations
What is 3.5+2.2?
5.7
What is the ratio of 4 apples to 6 oranges?
4:6 or simplified 2:3
What is the area of a rectangle with a length of 5 cm and a width of 3 cm?
A=5×3 =15 cm2
What is the value of x in the equation x+5=12?
x=7
Subtract 5.8−2.4
3.4
If a car travels 120 miles in 2 hours, what is the unit rate in miles per hour?
120÷2= 60 miles per hour
How many degrees are in a triangle?
180º
Simplify the expression 3x+4x
7x
Multiply 4.2×3.1
13.02
A recipe requires 2 cups of flour for every 3 cups of sugar. What is the ratio of flour to sugar?
2:3
What is the perimeter of a square with a side length of 4 cm?
P= 4+4+4+4= 16 cm
Solve for x: 4x+6=26
x=5
Divide 9.6÷3.2
3
If a map shows a distance of 5 inches representing 100 miles, what is the unit rate in miles per inch?
100÷5= 20 miles per inch
What do you call a polygon with 8 sides?
Octagon
What is the expression for "5 more than twice a number x"?
2x+5
What is 12.5+2.75−1.5?
13.75
If a class has 15 boys and 10 girls, what is the ratio of boys to girls in simplest form?
3:2
Calculate the volume of a cube with a side length of 3 cm.
V = 33 = 27 cm3
Solve for y: 2y - 3 = 7
y = 5