Algebra crossword - 7th grade recuperation
Across
- 5. The solution to the equation 3x + 5 = 17 is x = ?
- 8. Consider the expression, 5x + 4. This means we take an unknown number x, _______ by 5 and add 4.
- 9. The name given to an algebraic line showing two expressions are equal
- 10. A chocolate bar costs x dollars. Steven buys 10 chocolate bars for 20 dollars. How much does one chocolate bar cost?
- 11. Consider the experssion 5x - 55y. This factorises as 5(x - ?y)
Down
- 1. When we multiply fractions, we multiply the numerators together and multiply the ??? together.
- 2. When we factorise an expression, what mathematical term needs to be added to the expression?
- 3. Consider the equation 3p + 7 = 5p - 4. This means that an unknown number multiplied by 3 add 7 is equal to the same unknown number multplied by five, subtract ______.
- 4. P = 10p + 5a. Here P represents the total _____, a represents the price of a pineapple and a represents the price of an apple.
- 6. If we multiply the brackets in the expression 3(2x - 7), we get 6x - ?
- 7. Stacey earns £15 an hour, plus a fixed fee of £50. We know the total she earnt in a week is £215. We could solve this with an equation, setting x to be the number of what?
- 8. 9x + 11 = 12x + 15. Find x.