Jan 31, 2009 · 4thgrade math what does compatiblenumbers on rewriting a problem mean? the math ? is 512 x 89? HELP WITH 6TH GRADE MATH PLEASE! 10 POINTS …

Apr 20, 2009 · They shouldn't be teaching this to fourth graders--they should be teaching it to tenth graders. Estimating is bad math, and using compatible numbers is ...

Quiz *Theme/Title: Compatible Numbers * Description/Instructions ; Compatible numbers are numbers that are close in value to the actual numbers and easy to add ...

What are Compatible numbers? What are compatible numbers? Compatible numbers are numbers that look nice or friendly with each other when we do mental …

... 4thGrade | Number ... 5 - This KidZone math page has four fourthgrade ... use strategies including rounding and compatible numbers to estimate solutions ...

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Jul 30, 2014 · In third grade math, teachers mainly emphasize compatible numbers in addition and subtraction. Compatible numbers are numbers that are easy to work …