Grade 9 math - Finish sheet

Grade 9 Science - Corrosion lab report due

Grade 10 Science - Endangered species multimedia/poster project due Monday, May 5, 2008.

Here is the math sheet from today:

Math 9 – Algebraic Expressions

1.1 Write mathematical expressions for the following. Use x as your variable:
1. A number increased by 2
2. Twice a number
3. 5 less than a number
4. one half a number
5. 3 more than double a number

1.2 Write an equation for the following. Do not solve .
1. Five more than a number is 15
2. The sum of two consecutive numbers is 13
3. John’s age two years ago was 22
4. The difference between double a number and 10 is 24
5. Two consecutive odd numbers have a sum of 64.

1.3 Write an equation for the following. Solve each equation.


1. Find 3 consecutive numbers whose sum is 114.

2. The sum of two numbers is 47. One number is 5 more than the other. Find the numbers.

3. Anne and Janelle were selling chocolate bars to raise money for a school trip. Anne sold 5 more than two times as many bars as Janelle. If, together, they sold 146 bars, how many did each sell?