Vocab 1
this is the tool you use to measure the length of an object in inches or centimeters.
Ruler
A rectangle has a length of 8.5 meters and a width of 4.2 meters. What is the perimeter?
2(8.5 + 4.2) = 2(12.7) = 25.4 meters
If school starts at 8:00 AM and ends at 3:00 PM, how many hours is school?
7 hours
This type of graph uses bars to show data.
Bar graph
A hiking trail is 3.75 kilometers long. Another trail is 2.4 kilometers long. What is the total distance hiked?
🟩 Answer: 3.75 + 2.4 = 6.15 kilometers
This term means how hot or cold something is
temperature
A rectangle has a length of 6 cm and a width of 3 cm. What is the area of the rectangle?
18 cm squared
The following are the test scores of 7 students in a math class:
85, 90, 85, 75, 90, 95, 85
What is the mean (average) score?
Add up all the scores: 85 + 90 + 85 + 75 + 90 + 95 + 85 = 625
Divide by the number of scores (7): 625 ÷ 7 = 89.29
the amount of space inside a shape. It is usually measured in square units
Area
Convert 3,000 grams to kilograms.
🟩 Answer: 3,000 ÷ 1,000 = 3 kilograms
The abbreviation "kg" stands for this unit
Kilogram
Convert 2.5 kilometers to meters.
2,500 meters
The following are the test scores of 7 students in a math class:
85, 90, 85, 75, 90, 95, 85
What is the median score?
Order the scores: 75, 85, 85, 85, 90, 90, 95
The middle score is 85.
_________ is information that is collected and can be analyzed or used to make decisions.
Data
A rectangle has a length of 7 cm and a width of 4 cm. What is the perimeter of the rectangle?
22 cm
This word means the total space inside a 3D object.
Volume
A rope is 2 meters long. You cut off 75 centimeters. How much rope is left?
200 cm − 75 cm = 125 centimeters or 1 meter 25 cm
Here is a line plot showing the number of pets owned by a group of 10 children:
Pets: 1, 2, 2, 3, 3, 3, 4, 4, 4, 5
Question: How many children have 3 pets?
3 children have 3 pets.
_____________is the total distance around a figure or object. It is calculated by adding the lengths of all the sides of a shape.
perimeter
A tank can hold 12 liters of water. If it’s currently filled to 60%, how many liters are in it?
🟩 Answer: 12 × 0.6 = 7.2 liters
What is Time?
measures how long something takes or when something happens. It is measured in units such as seconds, minutes, and hours.
A watermelon weighs 3 kilograms. A bag of apples weighs 5 kilograms. What is the total weight?
3 kg + 5 kg = 8 kilograms
The bar graph below shows the number of books read by 5 students in a month:
Sophie: 8 books
Liam: 5 books
Emma: 12 books
Noah: 7 books
Ava: 10 books
How many more books did Sophie read than Liam?
3
______________shows data points connected by lines. It is often used to track changes over time.
line graph
You begin a bike ride at 1:25 PM and finish at 3:10 PM. How much time did you spend riding?
🟩 Answer: 1 hour and 45 minutes