LO: To add and subtract fractions - same denominators

Place the fractions in the right place

Keywords

Numerator

Denominator

Like

Equivalent

Proper

Improper

Hint: Do the ones you know first :-)

LO: To add and subtract fractions - same denominators

Copy and complete the following operations

[pay attention to the units]

  • 2cm + 3cm = …..
  • 3m + 23m = …..
  • 12kg - 2kg = ….
  • 2m + 100cm = ….
  • 12cm - 10mm = ….
  • 4km + 500m = ….

7) On my way to school I walk for 1,600 m, then travel 5km on the underground and finally walk 800m. What distance do I travel?

Numerator

Denominator

Keywords

Like

Equivalent

Proper

Improper

Task 1

Give students 2 mins.

Units (context)

Fractions (words)

Fractions (numbers)

2cm + 3cm

2 sevenths + 3 sevenths

4L + 5L

__ eighths + 2 ____

6m + 4__

6 quarters + __ quarters

5__ + 6kg

5 ___ + __ twelfths

3km + __km

3 ___ + 5 ___

2

11

4

7

7

8

8

9

+

+

+

+

+

3

11

LO: To add and subtract fractions - same denominators

Copy and complete the following operations

[pay attention to the units]

Units (context)

Fractions (words)

Fractions (numbers)

2cm + 3cm

2 sevenths + 3 sevenths

4L + 5L

__ eighths + 2 ____

6m + 4__

6 quarters + __ quarters

5__ + 6kg

5 ___ + __ twelfths

3km + __km

3 ___ + 5 ___

2

11

4

7

7

8

8

9

+

+

+

+

+

3

11

Keywords

Like

Equivalent

Proper

Improper

Numerator

Denominator

Task 2

LO: To add and subtract fractions - same denominators

Copy and complete the following operations

[pay attention to the units]

Units

Fractions (words)

Fractions (numbers)

2cm + 3cm

2 sevenths + 3 sevenths

4L + 5L

4 eighths + 5 eighths

6m + 2m

6 quarters + 2 quarters

5kg + 6kg

5 twelfths + 6 twelfths

3km + 5km

3 ninths + 5 ninths

2

11

2

7

5

7

2

8

6

8

3

9

5

9

+

+

+

+

+

3

11

5

12

6

12

Keywords

Like

Equivalent

Proper

Improper

Numerator

Denominator

Task 2

LO: To add and subtract fractions - same denominators

Are the following operations true or false? Why?

+

2

7

=

3

7

5

14

+

2

7

=

3

7

5

7

+

2

7

=

3

7

6

49

1

3

2

Keywords

Like

Equivalent

Proper

Improper

Numerator

Denominator

May be use whiteboards to get an idea of how many have the misconception of adding numerators and denominators

LO: To add and subtract fractions - same denominators

=

+

Keywords

Like

Equivalent

Proper

Improper

+

2

7

=

3

7

5

7

Numerator

Denominator

LO: To add and subtract fractions - same denominators

Complete the worksheet

Keywords

Like

Equivalent

Proper

Improper

Numerator

Denominator

Task 3

PEER Marking: [ your name ]

Tick the correct answers ( )

Cross the incorrect answers ( χ )

PM

  • You have done …... very well
  • On the other hand ….. wasn’t as good
  • You could improve if you ...

Critique:

BE FAIR!

Keywords

Like

Equivalent

Proper

Improper

LO: To add and subtract fractions - same denominators

What happens when we take away?

-

2

7

=

3

7

=

-

Keywords

Numerator

Denominator

Like

Equivalent

Proper

Improper

Numerator

Denominator

LO: To add and subtract fractions - same denominators

What happens when we take away?

-

2

7

=

3

7

1

7

=

-

Keywords

Numerator

Denominator

Like

Equivalent

Proper

Improper

Numerator

Denominator

LO: To add and subtract fractions - same denominators

Complete the worksheet

Keywords

Like

Equivalent

Proper

Improper

Numerator

Denominator

Task 4

Task 5

Lesson Feedback

Do Now:

Scaffolding:s

Activity:

Y7- Adding and Subtracting Fractions - Same Denominator - Google Slides