Adding and Subtracting Rational Numbers

Adding and Subtracting Rational Numbers

by: Mrs. Spronz - Grade 7 Math

Module 2 Lessons 3, 4, 5, 6

Multiple Select

Select ALL the ways you can write the number 1.

• $\frac{12}{12}$

• $\frac{12}{6}\ -\ 1$

• $\left|-1\right|$

• 5 - 5

Fill in the Blanks

FILL in the blank with the correct work to make the statement true:

When adding integers with the same sign, you will

the integers and keep the common sign.

Fill in the Blanks

Fill in the blank with the word that will make the statement true.

When subtracting integers, you

the first number.

Fill in the Blanks

Fill in the blank to make the statement true.

When subtracting integers you change the minus sign to a(n)

sign.

Multiple Choice

Which of the following answers properly shows the correct way to rewrite -3 - 7

• 3 - 7

• -3 + (-7)

• -3 + 7

• 3 + (-7)

Open Ended

Explain how you find the distance between two number?

Fill in the Blanks

What is the sum of:

 $-3\frac{1}{4}\ +\ 5\frac{3}{4}$  

Open Ended

Watch the following video:

https://www.youtube.com/watch?v=gLWphGTjGHI

Explain how you add mixed numbers with "UNLIKE" denominators.

Open Ended

Watch the following video on subtracting rational numbers.

https://www.youtube.com/watch?v=c5dNa2TVHiQ

After you watch the video, please explain how you find a common denominator.