Mastering Subtraction of Integers through Addition

What is the first step in converting subtraction problems into addition problems?

• Find the absolute value of the second number

• Change the subtraction sign to an addition sign

• Keep the first number unchanged

• Add the opposite of the second number

Tags

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.6.7

CCSS.RL.9-10.7

What does the cartoon character's action of pointing to the right symbolize?

• Ignoring the subtraction sign

• Finding the opposite of the number to the right of the addition sign

• The need to change the first number

• The direction to solve the problem

Tags

CCSS.7.NS.A.1B

How do you treat a negative number when applying 'add the opposite'?

• Leave it unchanged

• Multiply it by -1

• Subtract it from zero

• Change it to a positive number

Tags

CCSS.7.NS.A.2C

What does the phrase 'keep change change' mean?

• Change both numbers' signs

• Change the operation to multiplication

• Keep the first number, change the operation, change the second number's sign

• Keep the operation, change both numbers

Tags

CCSS.7.NS.A.1B

When solving 4 minus a negative 3 using 'add the opposite', what is the equivalent expression?

• 4 minus 3

• 4 plus 3

• 4 plus a negative 3

• 4 minus a positive 3

Tags

CCSS.7.NS.A.1C

What rule do you apply when both numbers in the addition problem have the same sign?

• Subtract the smaller number from the larger

• Change both numbers to positive

• Ignore the signs and just add the numbers

• Add the numbers and keep the sign

Tags

CCSS.7.NS.A.1C

If the numbers have different signs, how do you determine the sign of the answer?

• The answer takes the sign of the larger number in absolute value

• The answer is always positive

• The answer is always negative

• The sign is determined by adding the numbers

Tags

CCSS.7.NS.A.1C

What is the result of 3 plus a negative 9?

• Positive 12

• Negative 6

• Negative 12

• Positive 6

Tags

CCSS.7.NS.A.1C

In the expression 'negative 5 plus a positive 4', what is the final answer?

• Positive 1

• Negative 9

• Positive 9

• Negative 1

Tags

CCSS.7.NS.A.1B

What is the outcome of applying 'add the opposite' to 4 minus a negative 3?

• Negative 7

• Positive 7

• Negative 1

• Positive 1

Tags

CCSS.7.NS.A.1B