Unknown number in multiplication and division

Front

What is the result of dividing a number by itself?

Back

The result is always 1, except when the number is 0.

Tags

CCSS.3.OA.B.5

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations; dividing by a number is the same as multiplying by its reciprocal.

Tags

CCSS.4.NBT.B.6

Front

If 35 ÷ ? = 5, what is the unknown number?

Back

The unknown number is 7.

Tags

CCSS.3.OA.A.4

Front

How do you find an unknown divisor in a division equation?

Back

You can find the unknown divisor by rearranging the equation: divisor = dividend ÷ quotient.

Tags

CCSS.3.OA.A.4

Front

What is the formula to find the dividend when the divisor and quotient are known?

Back

Dividend = Divisor × Quotient.

Tags

CCSS.3.OA.A.4

Front

If 11 = 55 ÷ ?, what is the unknown divisor?

Back

The unknown divisor is 5.

Tags

CCSS.4.NBT.B.6

Front

What is the result of dividing a number by 1?

Back

The result is the number itself.

Tags

CCSS.3.OA.B.5

Front

If 2 = ? ÷ 9, what is the unknown dividend?

Back

The unknown dividend is 18.

Tags

CCSS.3.OA.B.6

Front

What does it mean if a division problem has a remainder?

Back

It means that the dividend is not evenly divisible by the divisor.

Tags

CCSS.3.OA.A.2

Front

If 10 ÷ ? = 5, what is the unknown divisor?

Back

The unknown divisor is 2.

Tags

CCSS.3.OA.A.4