Unit 1 Add & Subtract Rationals Review

What is the definition of a Rational Number?

• All the whole numbers and their opposites

• Anything that CANNOT be written as a fraction. For example: $\pi,\ \ \ \ \sqrt{3}\ ,\ \ 8.734281...$

• The counting numbers not including zero.

• A number that can be written as a fraction. For example: $-8,\ \ \ 14,\ \ 0.\overline{3}\ ,\ \ 6\frac{5}{6}$

Tags

CCSS.6.NS.C.6

Write the following as a FRACTION or Mixed Number in simplest form.

• 12.3

• 1.23

• 1.5

Tags

CCSS.5.NBT.A.3

CCSS.5.NF.B.3

• 0.8

• 4.5

• 1.25

• 5.4

Tags

CCSS.5.NBT.A.3

CCSS.5.NF.B.3

When ADDING rationals with the SAME sign you...

• ADD & KEEP SIGN

• Tug-of-war & SUBTRACT

• KCC - Keep Change Change

Tags

CCSS.7.NS.A.1

The rule for SUBTRACTING rationals is

• ADD & KEEP SIGN

• Tug-of-war & Subtract

• KCC - Keep Change Change

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The Addition Rule for ADDING rationals with DIFFERENT signs is...

• ADD & Keep Sign

• Tug-of-war & Subtract

• KCC - Keep Change Change

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

COMPARE. <, >, OR =

• <

• >

• =

Tags

CCSS.5.NBT.A.3

What is the correct way to re-write this subtraction problem:
 -7 - (-8)

• 7 - (-8)
• 7 + (-8)
• -7 + 8
• -7 + (-8)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

-8 - (-4)

• 12
• -12
• -4
• 4

Tags

CCSS.7.NS.A.1C