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product. quotient. Word Splash. factor. reasonable. dividend. approximate. estimate. Rounding Estimating Multiplication & Division. K. O. I. Round/Estimate w/ Mult . & Div. Word Bank. Illustration. Key Concepts. L. Round - Estimate. 0bjective 4.5b The student is expected to:
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product quotient Word Splash factor reasonable dividend approximate estimate
K O I Round/Estimate w/ Mult. & Div. Word Bank Illustration Key Concepts L
Round - Estimate 0bjective 4.5b The student is expected to: Use strategies including rounding and compatible #s to estimate solutions to multiplication & division problems.
Vocabulary • factor – facts to multiply • product – answer to multiplication problem • dividend – number being divided • divisor – number dividing the dividend • quotient – answer to division problem • round – to estimate a # to the nearest ten, hundred, thousand, etc. • reasonable – able to reason; could it be true • approximate – another word for estimate • estimate – n. an answer that is close to the exact answer. v. to guess about • compatible numbers – pairs of numbers that can be computed mentally (23 + 27 is close to 25 + 25, so the estimate is 50. 3,720/6 is close to 3,600/6, so the estimate is 600.)
Rounding song Estimate (about, about) Means rounding (about, about) Approximate (about, about) Means rounding (about, about) First you Round – Then you ADD (about, about) First you Round – Then you SUBTRACT (about, about) First you Round – Then you MULTIPLY (about, about) First you Round – Then you DIVIDE (about, about)
Rounding chant Find the place Underline it Go next door And circle it 5 or more Give underline a score 4 or less Give underline a rest
Round - estimate 1,000 0
K O I Round – Estimate w/ Mult. & Div. Word Bank Create a 5 sentence story using 3 Word Bank words Illustration Key Concepts L Illustrate your story using 3 or more colors & give it a background