5 Minute Check Find each quotient. 1. 182 ÷ 7 2. 345 ÷ 6 3. 792 ÷ 33 4. 811 ÷ 79.

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Presentation transcript:

5 Minute Check Find each quotient ÷ ÷ ÷ ÷ 79

5 Minute Check Find each quotient ÷ 7

5 Minute Check Find each quotient ÷ )

5 Minute Check Find each quotient ÷ 6

5 Minute Check Find each quotient ÷ 6 057R3 6)

5 Minute Check Find each quotient ÷ 33

5 Minute Check Find each quotient ÷ )

5 Minute Check Find each quotient ÷ 79

5 Minute Check Find each quotient ÷ 79 10R21 79)

Extra Credit

Thursday, Sept 25 Lesson Divide Decimals by Whole Numbers

Lesson is estimation and will be incorporated into lessons and

Divide Decimals by Whole Numbers Objective: To understand how to estimate and divide decimals by whole numbers.

Divide Decimals by Whole Numbers When estimating quotients, use comparable numbers that is in the multiples list of the divisor. Example 8.6 ÷ 2 ≈ 8 ÷ 2 = 4

Divide Decimals by Whole Numbers When dividing a decimal by a whole number, divide as with whole numbers. Then place the decimal point in the quotient directly above it’s place in the dividend.

Divide Decimals by Whole Numbers Find 6.8÷ 2. Estimate. What is a comparable number for 6.8 that is in the multiples list of 2?

Divide Decimals by Whole Numbers Find 6.8÷ 2. Estimate. What is a comparable number for 6.8 that is in the multiples list of 2? 6 ÷ 2 = 3

Divide Decimals by Whole Numbers Find 6.8÷ 2. Dividing a Decimal by a Whole Number. Step 1 – Place the numbers in the dividing bracket.

Divide Decimals by Whole Numbers Find 6.8÷ 2. 2)6.8 Dividing a Decimal by a Whole Number. Step 1 – Place the numbers in the dividing bracket.

Divide Decimals by Whole Numbers Find 6.8÷ 2. 2)6.8 Dividing a Decimal by a Whole Number. Step 2 – Divide and ignore the decimal point.

Divide Decimals by Whole Numbers Find 6.8÷ ) Dividing a Decimal by a Whole Number. Step 2 – Divide and ignore the decimal point.

Divide Decimals by Whole Numbers Find 6.8÷ ) Dividing a Decimal by a Whole Number. Step 3 – Bring the decimal point to the quotient, directly above the dividend.

Divide Decimals by Whole Numbers Find 6.8÷ ) Dividing a Decimal by a Whole Number. Step 3 – Bring the decimal point to the quotient, directly above the dividend.

Divide Decimals by Whole Numbers Find 6.8÷ ) It is very important the digits are lined up in the bracket!

Divide Decimals by Whole Numbers Find 7.5÷ 3. Round to the nearest tenth, if necessary. Estimate?

Divide Decimals by Whole Numbers Find 7.5÷ 3. Round to the nearest tenth, if necessary. Estimate? 3:3, 6, 9, 12, …… 9 ÷ 3 = 3, or 6 ÷ 3 = 2 Step 1?

Divide Decimals by Whole Numbers Find 7.5÷ 3. Round to the nearest tenth, if necessary. 3)7.5 Step 2?

Divide Decimals by Whole Numbers Find 7.5÷ 3. Round to the nearest tenth, if necessary ) Step 3?

Divide Decimals by Whole Numbers Find 7.5÷ 3. Round to the nearest tenth, if necessary ) Since we have no digits in the hundredths place we do not need to round.

Divide Decimals by Whole Numbers Sometimes when dividing the answer needs to be more precise than just having a remainder. When a precise answer is needed, annex zeros and keep dividing until the remainder is zero.

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary ÷ 17 Do this on your own.

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 17: 17, 34, 51, 68,… ÷ 17 ≈ = )

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 7.7÷ 14 Do this on your own.

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 7.7÷ 14 ≈ =.6 14)

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 9.48÷ 15 Do this on your own.

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 9.48÷ 15 ≈ =.6 15)

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 3.49÷ 4. Do this on your own

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. 3.49÷ 4 ≈ =.9 4)

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary. Do this on your own.

Divide Decimals by Whole Numbers Estimate and divide.Round to the nearest tenth, if necessary ÷ 3 ≈ = )

Divide Decimals by Whole Numbers The chart shows how much money Jerry and his friends have. What is the average? (Do this on your own) JerryNateLukeJoshDan $1.24$1.44$2.10$1.68$1.59

Divide Decimals by Whole Numbers The chart shows how much money the Jerry and his friends have. What is the average? $ ) JerryNateLukeJoshDan $1.24$1.44$2.10$1.68$1.59

Divide Decimals by Whole Numbers Lin is making a care package to his brother. The table gives the cost for mailing packages. If Lin’s care package weighs 3 pounds, how much is the cost per pound? (Do this on your own)

Divide Decimals by Whole Numbers Lin is making a care package to his brother. The table gives the cost for mailing packages. If Lin’s care package weighs 3 pounds, how much is the cost per pound? )6.740 Annex a zero Because hundredths are the 20 smallest denomination used in -18 money we can round $2.246 to $2.25

Divide Decimals by Whole Numbers Kristen and her two friends are sharing the cost of a funnel cake. The funnel cake costs $5.49. If Kristen has $2.00, how much will she have left after she pays her share? (Do this on your own)

Divide Decimals by Whole Numbers Kristen and her two friends are sharing the cost of a funnel cake. The funnel cake costs $5.49. If Kristen has $2.00, how much will she have left after she pays her share? $ Each person’s share 3)

Divide Decimals by Whole Numbers Amanda is finding 11.2 ÷ 14. Find her mistake and correct it.

Divide Decimals by Whole Numbers Amanda is finding 11.2 ÷ 14. Find her mistake and correct it. She placed the decimal point in the wrong spot ÷ 14 = 0.8

Divide Decimals by Whole Numbers Is the quotient 2.7 ÷ 3 greater or less than 1? Explain.

Divide Decimals by Whole Numbers Is the quotient 2.7 ÷ 3 greater or less than 1? Explain. Less than; the dividend, 2.7, is less than the divisor,3.

Divide Decimals by Whole Numbers Agenda Notes Homework – Homework Practice Due Monday, Sept 29 Circle all answers and show all work. Chapter 6.3 Test -Wednesday, Oct 1 Accum Rev 3 due by Oct 1