S.3

Acute, Right, Obtuse & Straight Angles

Q4 · Apr–Jun

Classify angles as acute, right, obtuse, or straight (and reflex at the hardest level).

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 4 Math Acute, Right, Obtuse & Straight Angles Skill S.3 \cdot Lines & angles \cdot ★★☆ Medium \cdot Quarter 4 Name Date Score / 6 Scan for answers Write acute (less than 90°), right (90°), obtuse (between 90° and 180°), or straight (180°). Example This angle is obtuse Think: It opens wider than the corner of a square (9 0^{\circ}) but is not a straight line, so it is obtuse. 1 This angle is 2 180° This angle is 3 180° This angle is 4 This angle is 5 180° This angle is 6 78° This angle is Daniel Math Academy \cdot danielmath.com Worksheet # 3yvium9 \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 4 Math Answer Key S.3 Acute, Right, Obtuse & Straight Angles \cdot ★★☆ Medium 1 right 2 straight 3 straight 4 right 5 straight 6 acute Daniel Math Academy \cdot danielmath.com Worksheet # 3yvium9 \cdot Answer Key \cdot Page 2 / 2

S. Lines & angles3 skills