Math TCA 3 Review

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you have 12 cookies and want to share them with 4 friends, each friend gets 3 cookies.

Front

What does it mean for a number to be even?

Back

An even number is any integer that can be divided by 2 without leaving a remainder. Examples include 0, 2, 4, 6, and 8.

Front

What does it mean for a number to be odd?

Back

An odd number is an integer that cannot be divided by 2 evenly. Examples include 1, 3, 5, 7, and 9.

Front

How do you find the total number of items when you know the number of groups and items per group?

Back

You multiply the number of groups by the number of items in each group. For example, if there are 5 groups with 3 items each, the total is 5 x 3 = 15.

Front

What is a mathematical model?

Back

A mathematical model is a representation of a real-world situation using mathematical concepts and language. It helps to solve problems and make predictions.

Front

What is the formula to find the number of items in equal groups?

Back

The formula is: Total Items = Number of Groups x Items per Group.

Front

If you have 36 sodas and each pack contains 6 sodas, how many packs do you have?

Back

You divide the total number of sodas by the number of sodas in each pack: 36 ÷ 6 = 6 packs.

Front

What is the importance of place value in numbers?

Back

Place value determines the value of a digit based on its position in a number. For example, in the number 510, the 5 is in the hundreds place, so it represents 500.

Front

What is a remainder in division?

Back

A remainder is what is left over after division when one number cannot be divided evenly by another. For example, 10 ÷ 3 = 3 with a remainder of 1.

Front

How can you tell if a number is divisible by 2?

Back

A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8). For example, 24 is divisible by 2 because it ends in 4.