Number Concepts

123456789101112131415161718192021222324252627282930
Across
  1. 3. To make a number simpler by moving it to the nearest 10 or 100.
  2. 4. The 'B' in BIDMAS, these group numbers together.
  3. 7. In BIDMAS, if you have both Multiplication and Division, you solve from left to
  4. 8. In 15/3=5, the number 5 is the...
  5. 10. The result of a multiplication problem (Example: 5x4=20, 20 is the
  6. 12. The operation you do first in this problem: 2+(5x4).
  7. 14. Q&A
  8. 15. The name for the answer when you subtract
  9. 19. Any whole number (can be positive, negative, or zero).
  10. 21. The amount 'left over' after a division is not exact.
  11. 23. The 'M' in BIDMAS
  12. 26. To solve a problem or find the 'total.'
  13. 27. The A'' in BIDMAS
  14. 28. The number on the bottom of a fraction.
  15. 29. What is the difference between 50 and 10? (Write the answer as a word).
  16. 30. The opposite of a positive integer.
Down
  1. 1. In the expression 4^3 the number 3 is the..
  2. 2. The number on the top of a fraction
  3. 5. The operation you do last in this problem: 10x2+5.
  4. 6. What is the product of 6 and 3? (Write the answer as a word).
  5. 9. The result of adding numbers together.
  6. 11. The result of multiplying an integer by itself three times.
  7. 13. The mathematical name for the 'rules' or steps of arithmetic.
  8. 16. What is the quotient of 21:3?(Write the answer as a word).
  9. 17. A symbol (usually a letter like x) that represents an unknown number.
  10. 18. The 'S' in BIDMAS
  11. 20. To find an answer that is 'close enough' or an approximation
  12. 22. The action of 'finding the value of a math expression.
  13. 24. The 'l' in BIDMAS; it refers to powers or exponents.
  14. 25. What is the sum of 12 and 8? (Write the answer as a word).