Make 10

Front

What is the equation to find a missing number when the sum is 10?

Back

To find a missing number in an equation where the sum is 10, you can use the equation: x + y = 10, where x is the known number and y is the missing number.

Front

If x + 2 = 10, what is the value of x?

Back

x = 10 - 2 = 8.

Front

What is the value of y in the equation 10 + y = 10?

Back

y = 10 - 10 = 0.

Front

In the equation y + 6 = 10, how do you solve for y?

Back

y = 10 - 6 = 4.

Front

What is the missing number in the equation x + 4 = 10?

Back

x = 10 - 4 = 6.

Front

If 1 + z = 10, how do you find z?

Back

z = 10 - 1 = 9.

Front

What is the principle of solving for a missing number in an addition equation?

Back

The principle involves isolating the variable by subtracting the known number from the total.

Front

How can you check if your answer to an addition equation is correct?

Back

You can check your answer by substituting the value back into the original equation to see if both sides are equal.

Front

What is the relationship between addition and subtraction in solving equations?

Back

Addition and subtraction are inverse operations; knowing one can help you find the other.

Front

What is the importance of understanding the concept of 'sum' in mathematics?

Back

Understanding the concept of 'sum' is crucial as it forms the basis for solving equations and understanding relationships between numbers.