Angles. Mental Maths Starter

 $180-65$  

• 105

• 115

• 125

• 95

 $180-86$  

• 84

• 94

• 104

• 114

 $360-185$  

• 145

• 155

• 165

• 175

 $360-109$  

• 251
  

• 261

• 271

• 281

Find the number of degrees in three right angles.

• 270

• 180

• 360

• 450

Find the number of degrees in two right angles.

• 270

• 45

• 90

• 180

Find the number of degrees in three quarters of a turn.

• 45

• 320

• 270

• 130

Find the number of degrees in half a turn.

• 180

• 90

• 250

• 200

Subtract the sum of 26 and 54 from 180.

• 100

• -100

• 152

• -152

Subtract the sum of 67 and 16 from 180.

• 33

• -97

• -33

• 97