Algebra

Properties of Arithmetic

Order of Operations

         

Evaluate 5+42+31+6. 5 + 4 - 2 + 3 - 1 + 6.

True or False?

3+3+3÷3=3 3 + 3 + 3 \div 3 = 3

Evaluate 2×3÷6×5×4÷10. 2 \times 3 \div 6 \times 5 \times 4 \div 10.

Which of the following is correct?

  (a)  4+2×3=18~~(a)~~ 4 + 2 \times 3 = 18
  (b)  10÷23=2~~(b)~~ 10 \div 2 - 3 = 2
  (c)  4×4÷4×4=1~~(c)~~ 4 \times 4 \div 4 \times 4 = 1
  (d)  153÷3+10=14~~(d)~~ 15 - 3 \div 3 + 10 = 14

Evaluate 93×2. 9 - 3 \times 2.

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