Benchmark 2 Practice:Adding and Subtracting Decimal

What is the value of 16.43 - 1.043?

Mathematical Equivalence

ON

Tags

5.NSO.2.3

Round 3.456 to the nearest whole number.

• 3

• 4

• 5

• 2

Round 45.56 to the nearest whole number.

• 4.5

• 45

• 46

• 50

Estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest whole number.

• $40

• $41

• $38

• $39

Answer explanation

The question asks to estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest whole number. When we round these numbers, we get 4, 21, and 15 respectively. Adding these rounded numbers, we get 40. Therefore, the correct answer is $40.

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John installed three shelves in his study room. The first shelf is 4.12 feet long, the second shelf is 3.45 feet long, and the third shelf is 5.23 feet long. What is the total length of the three shelves?

• 12.80 feet

• 13.80 feet

• 14.80 feet

• 15.80 feet

Ms. Reyes buys a tree for $40.49 and soil for $19.90 at the garden center. How much does Ms. Reyes spend?

• $42.48

• $59.40

• $59.59

• $60.39

Answer explanation

The question asks for the total amount Ms. Reyes spent. The cost of the tree is $40.49 and the soil is $19.90. Adding these amounts gives $60.39, which matches the correct choice.

Vishal wants to buy a pencil for $1.10, a pen for $2.17, and sticky notes for $2.21. He has $5.50.

Does Vishal have enough money to buy all the items he wants?

Complete the statements. For each box, drag and drop the dollar amount or word that is correct.

The total cost of the items Vishal wants to buy is​ ​ (a)   . This is (more or less)​ (b)   ​ than $5.50 by ​ (c)   .

• $5.48
• less
• $0.02
• $3.31
• $4.38
• more
• $0.12
• $1.12

Tags

5.NSO.2.3

The original price for a skateboard is $150.25. The discount price is $35.25 less than the original price. What is the discount price?

• $115.00

• $120.00

• $125.00

• $130.00

0.67 + 8.72 + 11.4 equals 20.79

• True

• False

Change the whole number 100 to a decimal.

• 100.0

• 10.0

• 0.100