6th Grade: Pre-Assessment

Stan's car travels 600 miles using 20 gallons of gasoline. How many miles can a car go using one gallon of gasoline?

• 20 miles per gallon

• 30 miles per gallon

• 25 miles per gallon

• 15 miles per gallon

Dipper and Mabel are leading a tour through the Gravity Falls Museum of Unnatural Science. Inside, there are 24 suspicious adults (one of them might be a lizard person) and 30 curious kids (some wearing tinfoil hats for safety).

What is the ratio of kids to total people in the museum?

• 1:2 (1 child for every 2 people)

• 0.50:1 (0.56 children for every 1 person)

• 4:7 (4 children for every 7 people)

• 5:9 (5 children for every 9 people)

Ramiro was helping Soos run the Mystery Shack snack stand when he invented a new drink: the Choco-Mystery Moo. He mixed 4 tablespoons of chocolate syrup with 12 fluid ounces of milk. Mabel says it tastes like happiness. Dipper suspects it might summon a dessert demon.

Which of the following mixtures has the same ratio of chocolate syrup to milk as Ramiro’s original recipe?

• 2 Tbsp of chocolate syrup mixed with 6 fl oz of milk

• 5 Tbsp of chocolate syrup mixed with 13 fl oz of milk

• 6 Tbsp of chocolate syrup mixed with 10 fl oz of milk

• 10 Tbsp of chocolate syrup mixed with 30 fl oz of milk

At Old Man McGucket’s Moo-nster Dairy Farm, 2 mildly radioactive cows (don’t worry, just a glow-in-the-dark situation) produce enough milk to fill 7 identical buckets.
Each cow produces the same amount of milk — and possibly emits a low humming sound.

💡What is the rate of buckets of milk per cow?

• 1 : 3½

• 3½ : 1

• 1 : 4

• 4 : 1

Grunkle Stan is stocking up on mystical candles for his latest tourist trap: The Haunted Wax Museum of Formerly Famous People. He buys 36 cursed candles from a traveling goblin merchant.

Each candle has the same cost as the ones in Mabel’s birthday emergency stash: $0.25 per candle.

💰 How much did Grunkle Stan spend on all 36 candles?

• $9

• $36

• $25

• $4

While exploring the Mystery Shack’s dusty storage room, Mabel discovers a hidden box labeled “72 enchanted candles – $18” (possibly used in a 1991 llama summoning incident 🦙🔥).

Curious as ever, she wants to know:

What is the cost, in dollars, of one enchanted candle?

(Be careful — every fourth one smells like pickle juice and screams when lit.)

• $ .25

• $4

• $19.91

• $5.00

At the Gravity Falls Night of the Weird Parade, Grunkle Stan passed out 240 coupons for mystery meat corndogs, Mabel handed out 360 glitter bombs, and Soos passed out 600 stickers of himself riding a velociraptor (he insists it’s historical).

What is the ratio of corndog coupons to glitter bombs to Soos stickers?

simplify the ratio to its lowest terms:
___ : ___ : ___

At the Mystery Shack Gift Shop, Soos restocks 120 gnome hats and 180 unicorn tail keychains.
The next day, he restocks 80 gnome hats and 120 unicorn tail keychains.

True or False:
The ratio of gnome hats to unicorn keychains stayed in proportion on both days.

• True

• False

Wendy is organizing a gnome parade in Gravity Falls. She lines up 18 gnomes and 27 fairies for the event.

What is the ratio of gnomes to total participants in the parade?

• 2:3 (2 gnomes for every 3 participants)

• 1:2 (1 gnome for every 2 participants)

• 2:5 (2 gnomes for every 5 participants)

• 1:3 (1 gnome for every 3 participants)

Soos finds a crate labeled “40 mystery sodas – $10” in the Mystery Shack basement. Each soda is rumored to grant temporary invisibility (or hiccups).

How much does one mystery soda cost?

• $0.25

• $0.40

• $4.00

• $2.50