Addition & Subtraction
Harry found 237 Bertie Bott’s Every Flavour Beans in one jar and 486 in another. How many beans did he find in total?
723 beans
Hagrid planted 6 rows of magical pumpkins. Each row had 8 pumpkins. How many pumpkins did he plant in total?
48 pumpkins
Draco Malfoy drew a square spell zone that was 7 meters long and 7 meters wide. What is the area of the spell zone?
49 square meters
Ron caught 367 Chocolate Frogs in a game. To the nearest hundred, how many Chocolate Frogs did he catch?
400 frogs
Harry started his Potions class at 9:13 a.m. and finished at 10:05 a.m. How long was the class?
52 minutes
Hermione read 742 pages of her spell book. She’s already read 368 pages. How many pages does she still have to read?
374 pages
Professor McGonagall gave 48 enchanted quills to 6 students. If each student got the same number, how many quills did each student receive?
8 quills
The Gryffindor common room rug is 9 feet long and 6 feet wide. What is the perimeter of the rug?
30 feet
Fred collected 168 galleons, and George collected 236 galleons. Round both amounts to the nearest ten and then add them together. About how many galleons did they collect in total?
About 410 galleons
Luna had a Chocolate Cauldron. She gave 1/4 of it to Neville and 2/4 to Ginny. What fraction of the Chocolate Cauldron does she have left?
1/4
Harry found 453 wizard coins and later found 289 more. How many coins does he have now?
742 coins
Hagrid feeds 8 hippogriffs. Each eats 4 pounds of meat. How many pounds total?
32 pounds
A bookshelf in the library is 5 meters wide and 4 meters tall. What's the area?
20 square meters
There were 143 spells in a book. Round to the nearest ten.
140 spells
Harry started flying practice at 3:14 p.m. and ended at 3:56 p.m. How long did he practice?
42 minutes
Ron got 326 points in Quidditch and 174 more the next game. What's his total?
500 points
There are 36 cauldrons and 6 classrooms. Each classroom gets the same number. How many per room?
6 cauldrons
A rectangular charm zone is 9 meters by 3 meters. What's the area?
27 square meters
786 people attended the Quidditch match. Round to the nearest hundred.
800 people
Neville grew 3/4 of his Herbology garden. What fraction is not done?
1/4
Hermione borrowed 215 pages of potion notes and 487 pages of charms notes. How many pages total?
702 pages
54 magical creatures are divided into 9 cages. How many creatures per cage?
6 creatures
A rectangular door to the Chamber of Secrets is 7 feet tall and 4 feet wide. What's the perimeter?
2 × (7 + 4) = 22 feet
Hermione cast 259 spells during dueling practice. Round to the nearest ten.
260 spells
Ginny drank 2/5 of a potion and spilled 1/5. How much is gone? How much is left?
3/5 gone, 2/5 left