Acute and Obtuse angles

QuizÂ by DoodleMaths Ages 4-16

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30 questions
• Q1
How many acute angles does this shape have?
3
2
0
1
30s
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• Q2
How many obtuse angles does this shape have?
3
0
1
2
30s
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Delete
• Q3
What kind of angle is this?
right angle
obtuse
acute
reflex
30s
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• Q4
True or false: an acute angle is less than 90 degrees.
true
false
True or False
30s
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Delete
• Q5
Sort these shapes into ones which have at least one acute angle:
Users sort answers between categories
Sorting
30s
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Delete
• Q6
True or false: an obtuse angle is more than 90 degrees.
true
false
True or False
30s
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• Q7
Link the shape to its best description:
30s
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Delete
• Q8
How many acute angles does this shape have?
2
3
1
0
30s
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Delete
• Q9
An obtuse angle is more than _ degrees?
Users enter free text
30s
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• Q10
Which shapes contain at least one obtuse angle?
Users sort answers between categories
Sorting
30s
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• Q11
Which shape has acute angles?
30s
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• Q12
How many obtuse angles does this shape have?
Users enter free text
30s
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• Q13
Link each shape to its best description:
30s
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Delete
• Q14
An acute angle is less than _ degrees?
Users enter free text
30s
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• Q15
If an angle has 55 degrees, which type is it?
obtuse
acute
reflex
right
30s
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• Q16
How many obtuse angles does this shape have?
0
4
1
3
30s
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• Q17
What kind of angle is this?
right
obtuse
acute
reflex
30s
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Delete
• Q18
Link the angle with its name:
30s
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Delete
• Q19
True or false: a triangle can have two obtuse angles.
false
true
True or False
30s
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• Q20
If an angle has 110 degrees, which type is it?
right
obtuse
reflex
acute
30s
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