Math Olympiad 3( Week 25 Quiz 5) 2. Is 407 divisible by 2? 4. Edward is 13 years old and is 2 years younger than Morgan. Two years later, how many years younger will Edward be than Morgan? 5. A number in its expanded form is: 8 × 102 + 7 × 100. What is its value? 6. Morgan is 4 years older than Curtis. If the total of their ages is 6, how old is Curtis? 7. Is the result of 19 − 1 − 4 + 1 + 7 − 3 + 9 − 7 + 10 − 14 − 8 an odd number? 8. Write down all the three digit numbers that can be made using 4, 5, and 7. Separate each number by a comma. 9. Joe had 14 more cents in his piggy bank than Nancy had. After Joe exchanged one dime for a nickel with Nancy, which of the following is correct? 10. How many 20¢ snacks can you buy with $1? 11. Determine which of the following number(s) are divisible by 2. Type the number(s) in the blank, and separate each number with a comma if necessary. 12. When 54 is divided by a certain number, the answer is 9. What is the number? 13. Determine which of the following number(s) are divisible by 3. Type the number(s) in the blank, and separate each number with a comma if necessary. 14. 134 is a 3-digit number with each digit larger than the digits in higher place values, i.e 3 > 1 and 4 > 3. How many such 3-digit number(s) are there between 800 and 899? 15. 431 is a 3-digit number with each digit less than the digits in higher place values, i.e 3 < 4 and 1 < 3. How many such 3-digit number(s) are there between 500 and 599? |