lesson 4 mini-lesson: adding and subtracting tenths and hundredths

Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

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Lesson 4 Mini-lesson: Adding and Subtracting Tenths and

Hundredths

ADDING

tenths and hundredths

1/10 of a dollar is a DIME

Dimes Fraction of a dollar

1/10

Page 4: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

1/10 is equivalent to 10 / 100 =

Adding tenths and hundredths

Page 5: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

How can we add 1/10 and 1/100?

Adding tenths and hundredths

1/10 = 10/100 so: 10/100 + 1/100 = 11/100 (1 dime) (10 pennies) (10 pennies) (1 penny) ( 11 pennies)

Make an Equivalent fraction.

Page 6: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

Think about money to check your answer. 11/100 = 11 cents, right?

1/10 + 1/100 = 11 cents !

Check your answer

Page 7: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

3/10 + 1/100 =

30/100 + 1/100 = 31/100

Add These Fractions

Page 8: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

8/10 80/100

You can also think about 1/10 and 1/100 using a grid

Page 9: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

Add these fractional parts

7/10

55/100

125/100(70/100) (55/100)

Page 10: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

4/10 33/100

Add these fractional parts

+ 73/100

Page 11: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

a. 4/10 + 5/100 =b. 6/10 + 3/100 = c. 5/100 + 9/10 = d. 10/10 + 50/100 = e. 13/10 + 7/100 =

Add These Fractions PRACTICE

Page 12: Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths

a. 3/10 + 7/100 =b. 9/10 + 5/100 = c. 8/100 + 8/10 = d. 10/10 + 31/100 = e. 15/10 + 3/100 =

Add These Fractions Exit Slip

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