![]() How to set up algebraic equations to match word problems.The do's and don'ts of teaching problem solving in mathĪdvice on how you can teach problem solving in elementary, middle, and high school math.Hint: it has to do with a "recipe" that many math lessons follow. Why are math word problems SO difficult for children?.Four habits of highly effective math teaching.How to calculate a percentage of a number.Multiply and divide decimals by 10, 100, and 1000.Dividing fractions: fitting the divisor.Adding unlike fractions 2: Finding the common denominator.Multiplication Algorithm - Two-Digit Multiplier.Structured drill for multiplication tables.Multiplication concept as repeated addition.Add a 2-digit number and a single-digit number mentally.Fact families & basic addition/subtraction facts.Using a 100-bead abacus in elementary math.Look at the ruler that measures in 16th parts ¼-inch mark on the bottom three rulers above.Ĩth parts of an inch, find and label tick marks for these points: theġ/8-inch point, the 5/8-inch point, the 7/8-inch point, the 1 5/8-inchĪlso, find these same points on the ruler that measuresĤ. Find the ¼-inch mark, the ¾-inch mark, the 1 Find the ½-inch mark, 1 ½ -inch mark, and 2 ½-inch mark on all ofĢ. Instead, they are magnified to be “bigger” than the actual rulers,ġ. Here are four rulers that all measure in inches. It teaches students about measuring in inches, using the 1/16 parts of an inch. ![]() This is a complete lesson with instruction and exercises for fifth grade.
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