Unit 1 Review

63.9 x 7 =

(a)  

Answer explanation

To solve 63.9 x 7, multiply the two numbers. The correct answer is 447.3, which is not listed as a choice. Therefore, the correct answer is 0, indicating none of the provided options are correct.

Tags

CCSS.5.NBT.B.7

60.4 x 9.25 =

(a)  

Answer explanation

To calculate 60.4 x 9.25, the correct answer is 558.7. The answer choices provided include this value, confirming it as the correct answer.

Tags

CCSS.5.NBT.B.7

40.2 - 12.351 =

• 27.848

• 27.849

• 26.849

• 27.859

Answer explanation

To solve 40.2 - 12.351, align the decimal points and subtract: 40.200 - 12.351 = 27.849. Thus, the correct answer is 27.849.

Tags

CCSS.5.NBT.B.7

CCSS.5.NBT.A.3

What is the area of a square with a side length of 3.5 m?

(a)  

Answer explanation

The area of a square is calculated using the formula: Area = side length × side length. For a side length of 3.5 m, Area = 3.5 × 3.5 = 12.25 m². Therefore, the correct answer is 12.25.

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is 60 divided by 5?

• 12.1

• 10

• 12.3

• 12

Answer explanation

To find 60 divided by 5, you perform the division: 60 ÷ 5 = 12. The correct answer is 12, as it is the only option that accurately represents the result of the division.

Tags

CCSS.5.NBT.B.6

0.4 x 7 

• 2.8

• 28

• 0.28

• 280

Answer explanation

To calculate 0.4 x 7, multiply 0.4 by 7, which equals 2.8. Therefore, the correct answer is 2.8.

Tags

CCSS.5.NBT.B.7

CCSS.5.NF.B.4

CCSS.5.NF.B.5

Sarah jogged 4.8 miles each day for 22 days.  How many miles did Sarah jog in total?

• 110 miles

• 105.6 miles

• 88.16 miles

• 26.8 miles

Answer explanation

To find the total miles Sarah jogged, multiply the daily distance by the number of days: 4.8 miles/day * 22 days = 105.6 miles. Therefore, the correct answer is 105.6 miles.

Tags

CCSS.5.NBT.B.7

5.78 x 3.5

• 0.223

• 2.23

• 22.3

• 20.23

Answer explanation

To calculate 5.78 x 3.5, multiply the numbers directly: 5.78 x 3.5 = 20.23. Thus, the correct answer is 20.23.

Tags

CCSS.5.NBT.B.7

CCSS.5.NBT.A.2

What is the correct location of the decimal point in the product?
2.39 x 4.37 = 104443

• 10.4443

• 104.443

• 10444.3

• 1.04443

Answer explanation

To find the correct location of the decimal point in the product of 2.39 and 4.37, count the total decimal places in the factors (2). Thus, the product should be 10.4443, making 10.4443 the correct answer.

Tags

CCSS.5.NBT.A.2

Gavin is on a platform 7 feet below sea level. He sees a fish 3 feet below sea level. What is the distance from the platform to the fish?

• 10 feet

• 7 feet

• 3 feet

• 13 feet

Answer explanation

Gavin is 7 feet below sea level, and the fish is 3 feet below sea level. The distance from the platform to the fish is the difference in their depths: 7 feet - 3 feet = 4 feet. Adding the 3 feet depth of the fish gives 10 feet.

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.5