Math Crossword 1

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Across
  1. 2. Find the value of the expression 2x² x 2y + 82 when x=19 and y=38
  2. 5. How many prime numbers are there more than 10 less than 90?
  3. 6. Find the Value of x when 2x is supplementary to an angle measuring 150°.
  4. 7. The product of a number (x) and 14 is less than 56 minus 7.
  5. 8. Simplify 4[(x)(40)] x 2(x/3)
  6. 10. Find the value of angle RPS=x inside rhombus PQRS when PR is a straight line dividing the rhombus into two and angle PQR=50°.
  7. 11. Express 470.34100700 to 5 sigficant figures.
Down
  1. 1. A debt of $110,000
  2. 3. Simplify 36+[(60-12)÷(18÷9)x6]x18
  3. 4. A box of paper and a box of notebooks cost $2x. If the box of paper cost $9 what does the box of notebooks cost?
  4. 6. Find the size of one interior angle of a 36 sided polygon.
  5. 7. Find the value of angle BAC when angle ACB=51° and angle ABC=62°
  6. 9. Write (x)(y)(x)(x)(y)(x)(y)(y) using index notation.
  7. 11. The HCF of 144, 240, 384