Math Olympiad 1( Week 46 Quiz 9) 1. Find the result of 20 − 19 + 18 − 17 + 16 − 15 + 14 − 13 = ? 2. When Josh celebrated his 4th birthday, his father was 30 years old. When Josh celebrated his 5th birthday, his mother was 30 years old. Who is the oldest in the family? 3. Kevin celebrated his 7th birthday 2 years before his sister Mary celebrated her 7th birthday. Josh celebrated his 6th birthday the year before his sister Mary celebrated her 6th birthday. Who is the oldest in the family? 4. Find the result of 1 − 2 + 3 − 4 + 5 = ? 5. Three good friends were competing to pick tomatoes in a garden. Laura picked 8 more than Jessica. And Laura picked 9 more than Emily. Who picked the most? 6. The following 3 figures are alike in certain ways. Decide how they are alike and choose one from the answer choices that goes with them.
7. Edward was born 3 years before his sister Anne. Last year, Anne had her 7th year birthday party. How old is Edward now? 8. Ben was born 5 years after his sister Hillary. Last year, Hillary had her 9th year birthday party. How old is Ben now? 9. Ed was born 2 years before his sister Anne. Next year, Anne will have her 7th year birthday party. How old is Ed now? 10. The following 3 figures are alike in certain ways. Decide how they are alike and choose one from the answer choices that goes with them.
11. The following 3 figures are alike in certain ways. Decide how they are alike and choose one from the answer choices that goes with them.
12. The following 3 figures are alike in certain ways. Decide how they are alike and choose one from the answer choices that goes with them.
13. The following 3 figures are alike in certain ways. Decide how they are alike and choose one from the answer choices that goes with them.
14. Smith is 5 years old, and his mother gave birth to him at 24. What is the age of Smith's mother now? 15. Find the result of 10 − 9 + 8 − 7 + 6 = ? |