7th Grade Math
How do you write nineteen and eighty-two hundredths?
19.82
What is the length of base of a right triangle if height is 3 and hypotenuse is 5?
4
X-15=52
67
Formula for circumference using the diameter.
C= 3.14 x d
This is the distance from the center of a circle to any point on the circle.
Radius
What is 6/100 in decimal form?
0.06
A triangle has a base of 10 units and a height of 13.4 units. What is the area of the triangle?
67
Solve the 2-step equation:
2x + 5 = 21
x = 8
10 x 3.67
36.7
Ratio for scale factor is old to New- True or False?
False
Rule for reflection over y-axis?
(-X, Y)
4,356 + 2,489 = ?
6845
2.5 + 2.75
5.25
What is the simplest form of 8/24?
1/3
How many right angles are in a square?
4
12.45 + 3.678 = ?
16.128
10,000 – 3,478 = ?
6522
3.75 − 1.2 = ?
2.55
What is the area of a square with side length 5?
25
What is the Rotation rule for 90 degrees CCW?
(-Y, X)
3.75 − 1.2 = ?
2.55
A business has 324 cases of soda. There are 48 cans in each case. How many cans of soda does the business have?
15552 cans
7.05 + 2.386 = ?
9.436
In the number 12.085, which digit is in the thousandths place?
5
A circle has a circumference of 25.12 cm. Find the diameter. (Use π=3.14π=3.14)
8cm
What is the total surface area of a cylinder when diameter is 6 and height is 10?
244.92
A circle has a radius of 9 cm. What is the area? (Use π=3.14π=3.14)
254.34 cm
A rope is 12.5 m long. You cut off 4.78 m. How much remains?
7.72m
Mr. Garcia's class is harvesting the school garden. The rectangular garden is twenty-five feet by fifteen feet. What is the area of the garden?
375 sq feet
one side length of a cube is 5 cm. What is the total surface area of the cube?
150