Entry Activity – Find

a) 90 – 50 = b)90 – 40 = c) 180 – 100 = d)180 – 55 = e)90 – 18 = f) 90 – 32 = g) 180 – 48 =

h)90 - = 10i) 180 - = 50j) 90 - = 80k) 180 - = 150l) 90 - = 15m)180 - = 32n)90 - = 47

Entry Activity – Find

a) 90 – 50 = b)90 – 40 = c) 180 – 100 = d)180 – 55 = e)90 – 18 = f) 90 – 32 = g) 180 – 48 =

h)90 - = 10i) 180 - = 50j) 90 - = 80k) 180 - = 150l) 90 - = 15m)180 - = 32n)90 - = 47

Today I will learn to identify the number of degrees in right-angles, on a straight line and round a point Level 4+Challenge Objective: To solve problems relating to angles in a right-angle, on a straight line and round a point Level 5

Key Words• Angle• Degree

• Right-angle• Straight-line

Today I will learn to identify the number of degrees in right-angles and on a straight line Level 4

Right-angleStraight-line

Acute angleObtuse angle

Reflex angle

90˚180˚

Less than 90˚

More than180˚

More than 90˚ but less than 180˚

Today I will learn to identify the number of degrees in right-angles and on a straight line Level 4

Right-angle Straight-line

Acute angleObtuse angleReflex angle

90˚180˚

Less than 90˚More than 180˚

More than 90˚ but less than 180˚

To solve problems relating to angles in a right-angle and on a straight line Level 5

To solve problems relating to angles in a right-angle and on a straight line Level 5

70˚40˚

10˚

5˚

45˚ 52˚

41˚

35˚

To solve problems relating to angles in a right-angle and on a straight line Level 5

To solve problems relating to angles in a right-angle and on a straight line Level 5

100˚60˚ 125˚

80˚25˚

102˚

95˚ 112˚ 66˚

Today I will learn to identify the number of degrees in right-angles, on a straight line and round a point Level 4+Challenge Objective: To solve problems relating to angles in a right-angle, on a straight line and round a point Level 5

Key Words• Angle• Degree

• Right-angle• Straight-line

Level 5

Extension

Today I will learn to identify the number of degrees in right-angles, on a straight line and round a point Level 4+Challenge Objective: To solve problems relating to angles in a right-angle, on a straight line and round a point Level 5

Key Words• Angle• Degree

• Right-angle• Straight-line

To calculate angles round a point Level 5

To calculate angles round a point Level 5

To calculate angles round a point Level 5Extension

I can identify the number of degrees in right-angles Level 4

I can identify the number of degrees on a straight line Level 4

I can identify the number of degrees round a point Level 4

I can solve problems relating to angles in a right-angle Level 5

I can solve problems relating to angles on a straight line Level 5

I can solve problems relating to angles round a point Level 5