Estimation
You buy a shirt for $22.00. The sales tax is exactly 10%. What is your total bill?
$24.20
If a square has a perimeter of 36 cm, this is the length of one side.
9cm
Which is larger: 5/8 or 0.5?
5/8
A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?
$0.10
If 12 eggs cost $2.40, how much does one single egg cost? ($0.20)
$0.20
Estimate the square root of 50 to the nearest one decimal point.
+- 7.1
This is the sum of the interior angles of any triangle.
180 degrees
If a pizza is cut into 12 slices and you eat 1/3 of it, how many slices are left?
8 slices
I am an odd number. Take away one letter and I become even. What number am I?
Seven
Convert the fraction 3/4 into a percentage and a decimal.
75% and 0.75
A $120 jacket is on sale for 40% off. How much money do you save?
$48.00
A rectangular garden is 12 m long and 5 m wide. This is the total distance (diagonal) from one corner to the opposite corner.
13 m
What is 1/2 of 1/4 of 80?
10
If 3 cats can catch 3 mice in 3 minutes, how many minutes does it take 100 cats to catch 100 mice?
3 minutes
A train leaves the station at 1:15 PM and arrives at its destination at 4:05 PM. How many total minutes was the trip?
170 minutes
If you drive 75 kilometer per hour, exactly how many minutes will it take you to travel 25 kilometers?
20 minutes
A "Composite Shape" is made by placing a square with a side of 4 cm directly on top of a rectangle that is 4 cm wide and 10 cm long. What is the total area of this new shape?
56cm^2
Add these fractions and simplify: 1/2 + 1/4 + 1/8.
7/8
You have a drawer with 10 black socks and 10 blue socks. In the dark, this is the minimum number of socks you must grab to ensure you have a matching pair.
3 socks
What is the "Mean" (average) of these numbers: 10, 20, 30, 40, 50?
30
You want to leave a 20% tip on a $44.50 meal. What is the tip amount?
$8.90
If a cube has a side length of 4, this is its total surface area
96
A bottle is 3/5 full. After you drink 4 ml, it is exactly half (1/2) full. How many total ml does the bottle hold?
40 ml
Using only addition, how can you add eight 8’s to get the number 1,000?
888 + 88 + 8 + 8 + 8
You have 24 apples. You give 1/3 to a friend and 1/4 of the remaining apples to your teacher. How many do you have left?
12 apples