Adding and Subtracting Rationals

How would you find -8 + 2 on a number line?

• start at -8 and go left 2
• start at -8 and go right 2
• start at -2 and go right 8
• start and 2 and go right 8

Tags

CCSS.7.NS.A.1B

How would you find 9 - 12 on a number line?

• start at 9 and go right 12
• start and 12 and go right 9
• start at 9 and go left 12
• start at -12 and go left 9

Tags

CCSS.7.NS.A.1B

How do you find the range of temperature if the low temperature is 20 degrees and the high temperature is 77 degrees?

• 20 + 77 
• 20 - 77
• 77 + 20
• 77 - 20

Tags

CCSS.7.EE.B.3

What is the range in temperatures if the high temperature is 78 degrees and the low temperature is -23 degrees?

• 55 degrees
• 101 degrees
• 45 degrees
• 91 degrees

Tags

CCSS.7.NS.A.1C

What is the range in temperature for a low temperature of -10 degrees and a high temperature of -5 degrees?

• -15 degrees
• 15 degrees
• -5 degrees
• 5 degrees

Tags

CCSS.7.NS.A.1C

The temperature at 6:00 was 9 degrees below zero.  The temperature dropped to 11 degrees below zero at 8:00. What is the difference between temperatures? 

• 18 degrees
• 20 degrees
• 2 degrees
• 0 degrees

Tags

CCSS.7.NS.A.1C

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

Tags

CCSS.7.NS.A.1C

The numbers 0, 1, 2, 3, ... are called

• whole numbers
• integers
• rational numbers
• natural numbers

Tags

CCSS.2.MD.B.6

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

• whole numbers
• integers
• rational numbers
• natural numbers

Tags

CCSS.6.NS.C.5

A rational number can be written as a fraction.

• True
• False

Tags

CCSS.5.NBT.A.2