4th Math STAAR Review 4.5

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

How do you find the total number of items in equal groups?

Back

To find the total number of items in equal groups, multiply the number of groups by the number of items in each group. For example, if there are 5 groups of 4 items, the total is 5 x 4 = 20.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten or hundred. For example, rounding 22,984 to the nearest ten thousand gives 20,000.

Front

What is division?

Back

Division is a mathematical operation that splits a number into equal parts. For example, dividing 42 macarons among 5 people means finding out how many each person gets and how many are left.

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together. For example, the product of 75 and 88 is 6,600.

Front

How do you calculate the total number of students in multiple classrooms?

Back

To calculate the total number of students in multiple classrooms, multiply the number of classrooms by the number of students in each classroom. For example, 13 classrooms with 27 students each equals 13 x 27 = 351.

Front

What is a remainder in division?

Back

A remainder is the amount left over after division when the numbers do not divide evenly. For example, if 42 macarons are divided among 5 people, each person gets 8, and there are 2 left over.

Front

What is estimation in math?

Back

Estimation is a method of finding an approximate value rather than an exact answer. For example, estimating the total number of cookie boxes sold by rounding each type to the nearest ten.

Front

What is the nearest ten?

Back

The nearest ten is the closest multiple of ten to a given number. For example, the nearest ten to 22,984 is 20,000.

Front

What is addition?

Back

Addition is a mathematical operation that combines two or more numbers to find their total. For example, adding 32, 57, 29, and 34 boxes of cookies gives a total of 150.