Year Long review

Which kind of lines are shown in the following picture?

• Perpendicular lines

• Parallel lines

• Intersecting lines

• Line segments

Answer explanation

The lines in the picture are perpendicular because they intersect at a right angle (90 degrees). This distinguishes them from parallel lines, which never meet, and intersecting lines, which do not form right angles.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which of the following is an example of a ray?

• 
• 
• 
• 

Tags

CCSS.4.G.A.1

Which fraction is greater than 1/2? 

• 1/4

• 6/12

• 2/3

• 2/6

Answer explanation

To determine which fraction is greater than 1/2, we can compare each option. 2/3 is greater than 1/2 because 2/3 equals 0.67, while 1/2 equals 0.5. The other options (1/4, 6/12, 2/6) are all less than 1/2.

Tags

CCSS.4.NF.A.2

This model represents 2/8. Which model represents a fraction equivalent to 2/8?

• A

• B

• C

• D

Answer explanation

The fraction 2/8 simplifies to 1/4. Model A represents 1/4, making it equivalent to 2/8. Therefore, the correct choice is A.

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

Compare the fractions.
4/8 _ 3/5

• =

• >

• +

• <

Answer explanation

To compare 4/8 and 3/5, convert 4/8 to 1/2 (which is 0.5) and 3/5 to 0.6. Since 0.5 < 0.6, we have 4/8 < 3/5.

Tags

CCSS.4.NF.A.2

0.5___0.52

• <

• >

• =

Answer explanation

0.5 is less than 0.52 because 0.5 represents half, while 0.52 is slightly more than half. Therefore, the correct relation is 0.5 < 0.52.

Tags

CCSS.4.NF.C.7

1.58___1.5

• <

• >

• =

Answer explanation

1.58 is greater than 1.5 because 1.58 has a higher decimal value. Therefore, the correct relation is 1.58 > 1.5.

Tags

CCSS.4.NF.C.7

What decimal does the figure below represent?

• 79

• 0.89

• 0.79

• 0.21

Answer explanation

The figure represents 79 out of 100, which is equivalent to 0.79 in decimal form. Therefore, the correct answer is 0.79.

Tags

CCSS.4.NF.C.6

Round the decimal 10.51 to the  nearest tenth.

• 10.05

• 10.50

• 11.5

• 11

Answer explanation

To round 10.51 to the nearest tenth, look at the hundredths place (1). Since it's less than 5, we round down, keeping the tenths place (5) the same. Thus, 10.51 rounds to 10.50.

Tags

CCSS.5.NBT.A.4

Miss Murray collected $ 6 each from her students for their upcoming field trip. If all of her students went on the field trip she would collect $192. How many students are in her class?

• 198

• 1,152

• 32

• 186

Answer explanation

To find the number of students, divide the total amount collected ($192) by the amount each student paid ($6). So, 192 ÷ 6 = 32. Therefore, there are 32 students in Miss Murray's class.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2