Test your skills: Is this product reasonable? (5th Grade Math Questions)

📚 Quick Study Guide

• 🔢 Reasonableness: In math, reasonableness means whether an answer makes sense in the real world.
• ➕ Addition: Adding numbers together to find a total.
• ➖ Subtraction: Taking away a number from another number.
• ✖️ Multiplication: Repeated addition. For example, $3 \times 4 = 3 + 3 + 3 + 3$.
• ➗ Division: Splitting a number into equal groups. For example, $12 \div 3 = 4$.
• ⚖️ Estimation: Making a close guess of a number, often by rounding. This helps check if an answer is reasonable.
• 💡 Tips: Always think about what is being asked and whether the answer seems logical in the context of the problem.

📝 Practice Quiz

1. A notebook costs $2. Maria buys 6 notebooks. The cashier says the total is $30. Is this reasonable?
   1. Yes, that is the correct price.
   2. No, the price is too high.
   3. No, the price is too low.
   4. It is impossible to tell.
2. A pack of gum costs $1. John buys 4 packs of gum and pays with a $5 bill. He gets $4 back in change. Is this reasonable?
   1. Yes, the change is correct.
   2. No, the change is too much.
   3. No, the change is too little.
   4. It is impossible to tell.
3. A box of crayons has 24 crayons. Sarah wants to share them equally among her 3 friends. She says each friend will get 12 crayons. Is this reasonable?
   1. Yes, that's a fair amount.
   2. No, each friend should get more.
   3. No, each friend should get fewer.
   4. It is impossible to tell.
4. A pizza is cut into 8 slices. Michael eats 3 slices. He says he ate half of the pizza. Is this reasonable?
   1. Yes, 3 slices is half the pizza.
   2. No, he ate more than half.
   3. No, he ate less than half.
   4. It is impossible to tell.
5. A movie ticket costs $10. A family of 5 goes to see the movie. The total cost is $25. Is this reasonable?
   1. Yes, that's the correct price.
   2. No, the price is too high.
   3. No, the price is too low.
   4. It is impossible to tell.
6. A bag of apples weighs 5 pounds. Each apple weighs about 1 pound. There are 20 apples in the bag. Is this reasonable?
   1. Yes, that sounds correct.
   2. No, there should be fewer apples.
   3. No, there should be more apples.
   4. It is impossible to tell.
7. A small toy car costs $3. Emily wants to buy 7 toy cars. She estimates it will cost about $10. Is her estimation reasonable?
   1. Yes, $10 is a good estimate.
   2. No, it will cost much more.
   3. No, it will cost much less.
   4. It is impossible to tell.