Thursday, January 31, 2013
Wednesday, January 30, 2013
Tuesday, January 29, 2013
Writing equations using proportions from word problems
Step1: what are we comparing in the word problem and what is missing.
Step2: write information as a proportion, which is two equal ratios. Use a variable for the missing information.
Step3: cross multiply
Step4: divide to get the variable alone
Step5: reduce and rewrite with label
Step2: write information as a proportion, which is two equal ratios. Use a variable for the missing information.
Step3: cross multiply
Step4: divide to get the variable alone
Step5: reduce and rewrite with label
Thursday, January 24, 2013
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