Review Day 2

Front

What is the expression for Ethan collecting 18 eggs and giving away 6 each week for 3 weeks?

Back

(18 - 6) × 3

Front

How do you find the difference between the fastest and slowest times in a race?

Back

Subtract the slowest time from the fastest time.

Front

What is expanded notation? Give an example.

Back

Expanded notation breaks down a number into its place values. Example: (8x10,000)+(8x100)+(2x10)+(4x1) = 80,824.

Front

How do you calculate the total weight of multiple items?

Back

Multiply the weight of one item by the number of items.

Front

How do you convert centimeters to meters?

Back

Divide the number of centimeters by 100.

Front

What is the standard form of a number?

Back

Standard form is the usual way of writing numbers using digits.

Front

What is the formula to calculate the total number of eggs collected after several weeks?

Back

Total eggs = (eggs collected - eggs given away) × number of weeks.

Front

What is the difference between addition and subtraction in word problems?

Back

Addition combines quantities, while subtraction finds the difference between them.

Front

How do you express a number in expanded form?

Back

Write the number as a sum of its place values.

Front

What is the process to find the average of a set of numbers?

Back

Add all the numbers together and divide by the count of numbers.