Find the solutions to the mathematical problems.
🙂 = Correct, ☹️ = Incorrect
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A video game is on sale for 30% off its original price of £60. How much will you save?
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Remember to convert the percentage to a decimal first. Multiply the decimal by the original price.
In a class of 25 students, 20% are left-handed. How many students are left-handed?
Convert the percentage to a decimal. Multiply the total number of students by the decimal.
A baker needs to increase the amount of flour in a recipe by 15%. If the original recipe calls for 300g of flour, how much flour in grams will the baker need in total?
Calculate the increase in flour first. Then add the increase to the original amount.
A wizard's potion requires 40% bat wings and 60% frog legs. If the potion bottle holds 200ml, how many ml of frog legs are needed?
Convert each percentage to a decimal, then multiply each by the total volume.
A superhero can fly at 200 mph. If she increases her speed by 25%, how fast can she fly now?
Calculate the speed increase, then add it to the original speed.
A mischievous goblin steals 10% of your 350 gold coins. How many coins did the goblin steal?
Convert the percentage to a decimal, then multiply by the total number of coins.
A brave knight finds a treasure chest with 500 gems. 15% are rubies, 30% are emeralds, and the rest are diamonds. How many diamonds are there?
Calculate the number of rubies and emeralds. Subtract that from the total gems to find the number of diamonds.
A dragon's fire breath has a base damage of 100 points. If a magic shield reduces the damage by 60%, how much damage will the knight take?
Calculate the damage reduction, then subtract it from the original damage.
A magical tree grows 20% taller each year. If it's currently 5 meters tall, how tall will it be next year?
Calculate the growth amount, then add it to the current height.
A witch's brew requires 5% spider venom. If she has 200ml of venom, how many 10ml portions of the brew can she make?
Calculate the amount of venom needed per portion, then divide the total venom by that amount.
A haunted house has 30 rooms. If 40% of the rooms are cursed, how many rooms are safe to enter?
Calculate the number of cursed rooms, then subtract from the total number of rooms.
A vampire bat consumes a volume of blood equal to 10% of its body weight every night. If a bat weighs 1.5 pounds, what will its weight be (in pounds) after it has fed?
Calculate the weight of the blood consumed, then add the weight of the blood to the bat's original weight.
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