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4th Grade Class Review
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How many right angles does a square have?
4
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Write this number in expanded form: 56,832
50,000 + 6,000 + 800 + 30 + 2
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21 x 21 =
441
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Write this number as a fraction: 0.2
2/10
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21,176 + 71,064
92,240
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104 x 2
208
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An angle is 120 degrees. What type of angle is this?
obtuse angle
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An angle is 80 degrees. What kind of angle is this?
acute angle
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9 x 6 =
54
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236 x 4 =
944
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Write this number in standard form: four thousand five hundred eighty nine
4,589
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616 / 3 =
205 r 1
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An angle is 90 degrees. What type of angle is this?
right angle
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40 x 18 =
720
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Write this number as a fraction: 0.52
52/100
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Draw two parallel lines.
l l
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148 / 2 =
74
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Draw perpendicular lines
+
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3 x 154 =
462
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200 x 3 =
600
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40 x 9 =
360
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88 x 26 =
2,288
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