Week 2 Crossword

4. An occasion when someone is first introduced to an activity or skill. [10]
5. Something very good and difficult that you have succeeded in doing. [11]
8. To try to develop and improve something. [9]
9. Fractions that are equal and represent the same part of a number. [10,9]
12. A sound that is heard after it has been reflected off a surface such as a wall or a cliff. [4]
14. Continuous, quick, slight shaking movement. [9]
15. The number of times something happens within a particular period. [9]

1. The smallest number that is the multiple of two or more other numbers. [5,6,8]
2. Common fractions such as 1/2 and 1/3 and 1/4 that are often used to compare and order fractions. [9,9]
3. To express or set something at a particular level. [5]
6. The distance between two waves of energy. [10]
7. The greatest of the common factors of two or more numbers. [8,6,6]
10. When the numerator and denominator of a fraction have no common factor other than 1. [8,4]
11. To treat waste materials in order to get useful materials, such as glass or paper, that can be used again. [7]
13. To change the design of something. [8]