Go Math Ch 2 5th Grade

Front

What are compatible numbers and how are they used in division?

Back

Compatible numbers are numbers that are easy to compute with mentally. They are often rounded numbers that make calculations simpler. For example, in the division of 452 by 24, compatible numbers could be 400 and 20, which are easier to divide.

Front

What is the term for the number that is being divided in a division problem?

Back

The number being divided is called the dividend.

Front

What is the term for the number that divides the dividend in a division problem?

Back

The number that divides the dividend is called the divisor.

Front

In the division problem 1,875 ÷ 9, what is the place value of the first digit in the quotient?

Back

The first digit in the quotient of 1,875 ÷ 9 is in the hundreds place.

Front

How do you express a remainder in a division problem?

Back

A remainder is expressed as 'r' followed by the remainder value. For example, in 4,418 ÷ 7 = 631 r 1, 'r 1' indicates a remainder of 1.

Front

If Ryley has a cat that weighs twice as much as Logan's cat, and Logan's cat weighs 8 lbs, how much does Ryley's cat weigh?

Back

Ryley's cat weighs 16 lbs, as it is twice the weight of Logan's cat, which is 8 lbs.

Front

What is the process of long division?

Back

Long division is a method for dividing larger numbers by breaking the problem down into simpler steps, involving dividing, multiplying, subtracting, and bringing down the next digit.

Front

What is the quotient in a division problem?

Back

The quotient is the result of the division, representing how many times the divisor fits into the dividend.

Front

What does 'r' stand for in division problems?

Back

The 'r' stands for 'remainder', which is the amount left over after division when the dividend is not evenly divisible by the divisor.

Front

How can you check your division answer?

Back

You can check your division answer by multiplying the quotient by the divisor and adding the remainder (if any) to see if it equals the dividend.