RIC-20153 ACM Measurement and Geometry (Yr 3) Geometric reasoning
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Sub-str<strong>and</strong>: <strong>Geometric</strong> <strong>reasoning</strong><br />
GR – 1<br />
Answers<br />
Page 79<br />
1.<br />
Assessment 1 – What’s my angle?<br />
(a)<br />
smaller<br />
(c)<br />
bigger<br />
(b)<br />
bigger<br />
(d)<br />
the same size<br />
2.<br />
(a)<br />
Page 80<br />
3 angle units. The angle is<br />
greater than a right angle (90°)<br />
It is an obtuse angle.<br />
Assessment 2 – What do you know<br />
about angles?<br />
Teacher check<br />
(b)<br />
2 angle units. The angle is<br />
less than a right angle (90°).<br />
It is an acute angle.<br />
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82 Australian Curriculum Mathematics resource book: <strong>Measurement</strong> <strong>and</strong> <strong>Geometry</strong> (Year 3) R.I.C. Publications ® www.ricpublications.com.au
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