Math Olympics Week 4: Rational Number Operations

Which expression can also be used to calculate the expression above?

• 
• 
• 
• 

Tags

CCSS.6.NS.A.1

Complete the equivalent fraction.

• 6
• 9
• 15
• 23

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

-3 ¼ + ½

• -2 ¾
• 3 ¾
• -3 ¾
• -¾

Tags

CCSS.7.NS.A.1C

-½ + -½

• - ¼
• 1
• 0
• -1

Tags

CCSS.7.NS.A.1C

Janine collects sports equipment. ½ of her collection are sports balls. Of the sports balls  ¼ of them are softballs. How much of the sport equipment are softballs? 

• ¾
• 2
• ⅛
• ⅔

Tags

CCSS.5.NF.B.6

Tina lives 2 ¼ miles from the library. Sonya lives 3 ½ miles from the library. How much further does Sonya live than Tina?

• 1 ½ miles
• 1 ¼ miles
• ¾ miles
• ⅔ miles

Tags

CCSS.7.NS.A.1C

A Gatorade cooler has 36 cups of water. If a serving is ¾ of a cup how many servings are in the cooler?

• 48 servings
• 27 servings
• 36 ¾ servings
• 60 servings

-2 ⅙ - (-1 ¾)

• -5/12
• 3 11/12
• 5/12
• -2 1/10

Tags

CCSS.7.NS.A.1C

An elevator went up 15 floors, down 9 floors, up 11 floors, and down 19 floors. Find the ending location.

• up 54 floors
• down 24 floors
• down 2 floors
• up 2 floors

Tags

CCSS.7.NS.A.3

Tue is diving 8 1/2 feet below sea level. He decides to descend 5 1/2 more feet. How many feet below sea level is he?

• 13 2/2

• 14

• -14

• -13 2/2