1. Word Splash reasonable quotient approximate product factor dividend estimate

2. Rounding Estimating Multiplication & Division

3. I Round/Estimate w/ Mult. & Div.Word Bank Key ConceptsIllustration

4. Round - Estimate 0bjective 4.5b The student is expected to: Use strategies including rounding and compatible #s to estimate solutions to multiplication & division problems.

5. Word Bank Round Estimate factorround productreasonable dividendapproximate divisorestimate quotientcompatible numbers

6. 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.)

7. 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)

8. 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

9. Round - estimate 0 1,000

10. I Round – Estimate w/ Mult. & Div.Word Bank Key ConceptsIllustration Create a 5 sentence story using 3 Word Bank words Illustrate your story using 3 or more colors & give it a background