Student Hours - Math Test 14

Emily and Nick planted 72 seeds in the garden. One third of the seeds were carrots. How many carrot seeds did they plant?

Answer explanation

To find one third, divide the total by 3.

72 divided by 3 is 24.

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Forty-five percent of the pets were dogs. What percent of the pets were not dogs?

Answer explanation

100% is the total.

To find the percent that are NOT dogs, subtract the percent that are dogs from 100%.

100% - 45% = 55%.

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Each treat bag had six pieces of candy. How many pieces of candy are needed to make 120 treat bags?

Answer explanation

To find the total, multiply the number of pieces of candy in each bag by the number of bags.

120 x 6 = 720

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Tags

CCSS.3.OA.A.3

Estimate the sum of 692 and 1324 by rounding each number to the nearest hundred before adding.

Answer explanation

Round the numbers to the nearest 100 first!

692 rounds to 700, because the 9 is 5 or higher.

1324 rounds to 1300, because the 2 is 4 or lower.

700 + 1300 = 2000

What is the value of 3 pennies, 4 dimes, 6 quarters, and 5 nickels? Write the answer using a dollar sign and decimal point.

Answer explanation

Quarters are 25 cents. So 6 quarters equals $1.50.

Dimes are 10 cents. So 4 dimes equals $0.40.

Nickels are 5 cents each. So 5 nickels equals $0.25.

Pennies are 1 cent each. So 3 Pennie’s equals $0.03.

Add them all up to get $2.18.

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Tags

CCSS.4.MD.A.2

One eighth of the students went to the park. There were 104 students in all. How many students went to the park?

Answer explanation

To find one eighth, divide the total number of students by 8.

104 divided by 8 is 13.

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Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Jamie drew a hexagon and a decagon. How many sides do the polygons have altogether?

Answer explanation

A hexagon has 6 sides.

A decagon has 10 sides.

10 + 6 = 16

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Learn ALL the polygons we covered in class!

Triangles (3 sides)

Quadrilaterals (4 sides)

Pentagons (5 sides)

Hexagons (6 sides)

Octagons (8 sides)

Decagons (10 sides)

Answer explanation

8 squared = 64

The square root of 16 is 4.

64 - 4 = 60

What number is indicated on the number line?

Answer explanation

The rule of the number line is 1.

Since the arrow is to the LEFT of 0, the number is negative.

Count the tick marks to the left from zero.

The answer is -4.

Tags

CCSS.6.NS.C.6C

The segment is how many millimeters long?

Answer explanation

Use the ruler to measure.

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Tags

CCSS.2.MD.A.3