Weekly Review Super #12

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. For example, if a rectangle is 18 meters long and 10 meters wide, its area is 18 x 10 = 180 square meters.

Front

How do you estimate the area of a rectangle?

Back

To estimate the area, round the length and width to the nearest whole number and then multiply. For example, for a rectangle 18m by 10m, you can estimate as 20m x 10m = 200 square meters.

Front

What does the symbol '<' mean in math?

Back

The symbol '<' means 'less than'. It is used to compare two numbers, indicating that the number on the left is smaller than the number on the right.

Front

How do you compare two numbers?

Back

To compare two numbers, look at their value. Use '>' for greater than, '<' for less than, and '=' for equal to.

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 346 x 7 means adding 346 seven times.

Front

What is the product of 346 and 7?

Back

The product of 346 and 7 is 2422.

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number. For example, if 12 students chose soccer and 9 chose basketball, the difference is 12 - 9 = 3.

Front

What does 'rounding' mean?

Back

Rounding is the process of adjusting a number to make it simpler but still close to its original value. For example, rounding 809,789 to the nearest hundred thousand gives 800,000.

Front

What is the nearest hundred thousand to 809,789?

Back

The nearest hundred thousand to 809,789 is 800,000.

Front

What is the formula for finding the area of a rectangle?

Back

The formula for finding the area of a rectangle is Area = Length x Width.