Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the...

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Maths Year 7 January 2014

Transcript of Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the...

Page 1: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Maths Year 7January 2014

Page 2: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Contents

Area perimeter volume

Equations and formulae

Angles

Coordinates, Mappings and Graphs

Percentages

Probability

Ratio

Measurement and Estimates

Number patterns and sequences

Shape and Symmetry

Data

Bowland Project

Page 3: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Perimeter & Area of compound shapes 1. Work out any missing lengths you need.

2. Calculate the perimeter of each shape.

3. Calculate the area of each shape, showing all your working.

G.

F.

E.

D.

C.

A.

5 cm

6 cm

9 cm

10 cm

6 cm

12 cm

4 cm

4 cm

2 cm

5 cm

9 cm

15 cm

10 cm

4 cm 3 cm

4 cm

6 cm

10 cm

5 cm

20 cm

5 cm

4 cm

6 cm

2 cm

1 cm

4 cm 5 cm

8 m

2 m

4 m

20 cm

8 m 4 m

B.

7 cm

3 cm

P = 22cm

A = 13cm2P = 38cm

A = 66cm2

4 cm

4 cm

9 cm

6 cm

P = 36cm

A = 78cm2

6 cm

P = 44 cm

A = 126 cm2

5 cm

6 cm

P = 51 cm

A = 124 cm2

P = 66 cm

A = 108 cm2

P = 66 m

A = 88 m2

16m

Page 4: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

[email protected] 5 Pack 4. Page 37.

Parallelograms and Triangles.

Find the area of the following parallelograms and triangles.Remember to give the units for each answer. (Diagrams are not to scale).

1). 2). 3). 4). 5).

6). 7). 8). 9). 10).

11). 12). 13). 14). 15).

16). 17). 18). 19). 20).

21). 22). 23). 24). 25).

26). 27). 28). 29). 30).

31). 32). 33). 34). 35).

36). 37). 38). 39). 40).

5 cm

6 cm

7 cm

10 cm

3 cm

7 cm4 cm

6 cm

2 cm

6 cm

9 cm7 cm

3 cm

12 cm

8 m

12 m

2.5 m

8 m

8 cm

2 cm

12 cm

3 cm

6 cm

4 cm

10 m

5 m 9 mm

6 m

11 cm

7 cm

10 cm

9 cm

8 mm

2 cm

15 mm

410 cm

5 m915 cm

6.2 m

3.2m

8.5 cm

7 cm

11 cm

9 cm7 cm

5 cm

5 m

7 m

6 m

12 m

5m9 m8 m

9 mm

12 mm

10 mm

13 m

7 m15 m

8 m

1.4 m

8 m

2 m

4.1 m

9.2 m

6.4 m

240 cm

3 m420 cm 5 m 2 m

70 cm

3 m7.2m

500 cm

8 m

1.5 m

70 cm

90 cm

2.4m

6500 mm

7.2 m13 m

9 m

120 cm

4 m

2 m

3.2 m

4 m

7 cm

10 cm

8 cm

14 cm

4 cm7 cm 10 cm

5.2 m

6 m

10 m

14 cm

40 mm

7 cm 90 mm

5.2 m90 cm

4.4 m

Page 5: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Area of a triangle and parrolelagram 13/01/14

Base x height = area of a parrolelagram

Base x height divided by 2 = area of any triangle

The height and the base are perpendicular. This means they meet at a right angle.

Perpendicular!

Page 6: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

16.01.14Volume!

Volume is the space inside a 3d shape

Next page is volume

worksheet! 17/17

Volume = length x width x height!

Page 7: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Surface area

!

Volume questions ⬆️

Page 8: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Equations 29/01/14An equation have an unkown letter and an = sign.

An expression is a collection of letters and numbers. No =

Page 9: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.
Page 10: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.
Page 11: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

31/01/14Balancing Equations

Page 12: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Balancing Equations p2 31/01/14

Page 13: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

03/01/14Solving Equations with Brackets

Ex Ex

Ex

Page 14: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Equations with unknowns both sides. 05/02/14

Page 15: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Forming Algebraic Expressions

Section A

Page 16: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Section B

Write down an expression for the perimeter of the following shapes:

Extension Questions:

Page 17: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Writing equationsFormula contains an = sign, and has more than one type of letter!

Page 18: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Angles 13/02/14

Page 19: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

14/02/14Angles

Angle fact 1: angles in a right angle add up to 90

Angle fact 2: angles on a straight line add to 180

Angle fact 3: vertically opposite angles are equal!

Angle fact 4: angles round a point add to 360

Page 20: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Angles 24.01.14

Angles in a triangle add up to 180

All angles in an equilateral are 60 Base angles in an isosceles triangle are equal

Angles In a quadrilateral add to 360

Page 21: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Angles In Polygons.

A polygon is a shape with sides.

A regular polygon has equal sized and

The number of interior angles and the number of exterior angles is the same as the number of

that a polygon has.

Exterior Angle + Interior Angle = o

or

or…….any 4-sided shape

Name Of Shape No Of

Sides.

No Of

Triangles

Inside.

Total of

Interior

Angles.

Size of

Each

Interior

Angle.

Size of

Each

Exterior

Angle.

No of

Exterior

Angles.

Total of

Exterior

Angles.

3

4

5

6

7

8

9

10

11

12

If n = the number of sides that the polygon has then the total of the interior angles in a polygon

= (n - ) x 180o

This is how many degrees

The bit in the bracket stands for there are in each triangle.

the number of triangles inside the polygon.

Page 22: Maths Year 7 · Level 5 Pack 4. Page 37. help@ Parallelograms and Triangles. Find the area of the following parallelograms and triangles. Remember to give the units for each answer.

Angles in a polygon 26.02.14