Student Hours - Math Test 13

Carrie took 9 big steps to cross the driveway. If each big step was one yard, how many feet wide is the driveway?

Answer explanation

1 yard = 3 feet. So, 9 steps is 9 yards and 9 x 3 = 27 feet.

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Tags

CCSS.5.MD.A.1

Every fourth student played dodgeball during PE. There are one hundred twelve students in all. How many students played dodgeball?

Answer explanation

“Every fourth” means to divide by 4. So 112 divided by 4 is 28 students.

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Tags

CCSS.4.NBT.B.6

Compare.

• <

• =

• >

Answer explanation

25% is one fourth, meaning to divide by 4. 28 divided by 4 is 7.

2x4=8

So 7 is less than 8.

7 < 8.

Name this polygon.

• Pentagon

• Hexagon

• Octagon

• Decagon

Answer explanation

The polygon has 6 sides, which is a hexagon. Memorize your polygons!

Tags

CCSS.2.G.A.1

If each side of this polygon measures 2 units, what is its perimeter?

Answer explanation

The polygon is a hexagon. It has 6 sides.

Perimeter is the distance around the polygon.

So 6 x 2 units = 12 units. Or

2+2+2+2+2+2 = 12 units.

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CCSS.3.MD.D.8

If 28% of the coins were “heads,” what percent of the coins were “tails?”

Answer explanation

Percent always means ”per 100”. So if 28% of coins were ‘heads’ then that means 72% were ‘tails’

100 - 28 = 72. Don’t forget the label!

Tags

CCSS.4.NBT.B.6

Tags

CCSS.3.OA.B.5

The cyclist rode 19 miles each hour. How many miles did she ride in 3 hours?

Answer explanation

This is a Rate problem. If she rides 19 miles each hour, then multiply 19 times 3 to get the total distance

19 x 3 = 57 miles.

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Tags

CCSS.3.OA.A.3