Practice solving math expressions using the correct order of operations (PEMDAS): Parentheses, Multiplication and Division (left to right), Addition and Subtraction (left to right).
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The most common reason is working from left to right without following PEMDAS. For example, in 8 - 2 × 3, students often calculate (8 - 2) × 3 = 18 instead of 8 - (2 × 3) = 2. Have them circle the multiplication first, solve it, then do the subtraction.
No, this is a common misconception. Multiplication and division have equal priority and should be solved from left to right. Same with addition and subtraction - they're equal and solved left to right. So in 12 ÷ 3 × 2, you do 12 ÷ 3 = 4 first, then 4 × 2 = 8.
Teach them to physically circle or highlight all parentheses before starting any problem. Make it a habit to always look for and solve parentheses first. You can also use the phrase 'parentheses are like a fort - finish everything inside the fort before you can leave.'
Start with simpler expressions using only two operations, like 3 + 2 × 4. Have them write out each step clearly: Step 1: 2 × 4 = 8, Step 2: 3 + 8 = 11. Build confidence with easier problems before moving to expressions with parentheses and multiple operations.
Yes! Try using different colored pencils for each type of operation, or use manipulatives like blocks to physically group operations. You can also create 'operation cards' and have your child arrange them in PEMDAS order before solving the problem.
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