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# Divide with decimals Standard UW.GAP.5.M.NBT.07 Add, subtract, multiply, and divide decimals to hundredths using concrete models or drawing and strategies.

## Presentation on theme: "Divide with decimals Standard UW.GAP.5.M.NBT.07 Add, subtract, multiply, and divide decimals to hundredths using concrete models or drawing and strategies."— Presentation transcript:

Divide with decimals Standard UW.GAP.5.M.NBT.07 Add, subtract, multiply, and divide decimals to hundredths using concrete models or drawing and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

Essential Questions 1. What is addition? How do you add decimals?
2. What is subtraction? How do you subtract decimals? 3. What is multiplication? How do you use a model and partial products to represent multiplying decimals? 4. What is division? How do you use a model and partial products to represent dividing decimals?

Set.... Think about the strategies we use to divide whole numbers....
Take turns with your face partner and describe how we multiply and divide whole numbers.

Objective I can divide decimals to hundredths place.

Decimal - a number with a fraction of tenths, hundredths, etc
Decimal - a number with a fraction of tenths, hundredths, etc. written after a decimal point. Decimal point - the (.) between a whole number and fractions of tenths, hundredths, thousandths, etc. Digit- any of the numerals 0-9, which may be part of a larger number. x = Let’s Review Again

Rules for Dividing Decimals
To divide decimals, divide as you would with a normal whole number then you move over the decimal.

Estimate, Multiply, Subtract, Bring Down, Start again/Stop
Dividing Decimals Example 2 Solve = 2.25 ÷ 2.5 2.5)2.25 Estimate, Multiply, Subtract, Bring Down, Start again/Stop Divisor Dividend

Divide as with whole numbers.
Dividing Decimals Example 2 Solve = 2.25 ÷ 2.5 2.5)2.25 -0 225 Divide as with whole numbers.

Dividing Decimals Divide as with whole numbers. Example 2
Move decimal from 2.5 (divisor) over 1 to “get rid of it” Move the decimal over that same amount of spaces in the dividend. Then move decimal straight up. Example 2 Solve = 2.25 ÷ 2.5 0.9 25)22.5 -0 225 -225 Answer: 0.9

Now let’s try one together
.46 ÷ 1.2

Now you do one 15.2 ÷ 4.1

Lesson on Dividing Decimals
decimals-using-knowledge-of-multiplication

You and a partner try... Using what you learned in the lesson, using pictures, models, and properties of operations solve this problem with your partner... 26.4 ÷ .03

Closure Think about what is different about dividing whole numbers and dividing decimals Write a \$2 summary explaining what is different Repeat todays objective

Let’s watch a fun video about dividing decimals

Independent Practice!!! (yay)
1) ÷ .03 = 2) ÷ 05 = 3) ÷ .6 = 4) ÷ 1.2 = 5) ÷ .9 = 6) ÷ 1.0 = 7) ÷ .08 = 8) ÷ .4 =

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