Math Olympiad 1( Week 20 Quiz 4) 1. Figure out the rule used to arrange the numbers, then decide what number should come next in the series.
12141618 ⇒ 2. What page is before page 18? 3. What is the 3rd even number after 4? 4. What is the 2nd even number before 19? 5. What is the 5th even number after 9? 6. Is 18 not less than 19? 7. What page is after page 16? 8. The picture at the beginning of the row shows keys and padlocks. How many more padlocks are needed to make the number of padlocks and keys equal? Mark your answer. 9. Equal sized triangle pieces are cut from a square as shown at the beginning of the row. Richard took three pieces and Morgan took two pieces less than Richard. Mark the picture that shows how many triangle pieces both took all together. 11. Equal sized slices are cut from the shape as shown at the beginning of the row. John took 4 slices, and Hillary took half of what John took. Mark the picture that shows how many pieces both took all together. 12. There is a 2-digit even number, and its two digits are 8 and 5. What is the number? 13. The picture at the beginning of the row shows existing knives and forks. Which of the following when added to the existing will make sure there are twice as many of knives as forks. 14. The picture at the beginning of the row shows juices and hamburgers. How many more juices are needed to make the number of hamburgers and juices equal? Mark your answer. 15. Equal sized slices are cut from the shape as shown at the beginning of the row. John took 2 slices and Alice took half of what John took. Mark the picture that shows how many pieces left. |