Decimal Operation Problem Solving

Ellen wanted to buy the following items:

· A DVD player for $49.95

· A DVD holder for $19.95

· Personal stereo for $21.95

Does Ellen have enough money to buy all three items if she has $90.

• Yes, Ellen will have $1.85 left to spend.

• Yes, Ellen can purchase these items.

• No, Ellen needs $1.85 more to make this purchase.

• No, Ellen needs $1.95 more to make this purchase

Tags

CCSS.7.EE.B.3

Which expression is represented by this model?

• 0.5 x 0.4

• 0.5 x 0.2

• 0.4 x 0.2

• 0.6 x 0.4

Tags

CCSS.5.NBT.B.7

Melissa purchased $39.46 in groceries at a store. The cashier gave her $1.46 in change from a $50 bill. How much change should the cashier have given Melissa?

• $1.46, she gave her the right amount of change.

• The cashier should have given her $10.54.

• The cashier should have given her $1.54

• The cashier should have given her $10.44

Tags

CCSS.6.NS.B.3

Round 3.339 to the nearest tenths place.

• 3.34

• 3

• 3.3

• 3.4

Tags

CCSS.5.NBT.A.4

The mass of a jar of sugar is 1.9 kg. What is the total mass of 13 1/2 jars of sugar?

• 25.65 kg

• 20.25 kg

• 24.7 kg

• 28 kg

Which shows the decimal 0.027 in word form?

• twenty-seven hundredths

• twenty-seven tenths

• twenty-seven thousandths

• twenty-seven thousand

If your monthly salary is $2,015, how much do you have left each month after you pay for the following?

· Rent - $443.50

· Cable TV -$123

· Electricity - $45.62

· Groceries - $224.87

• $836.99

• $1,187.01

• $863.99

• $1,178.01

Tags

CCSS.6.NS.B.3

Brad studied a total of 15.75 hours over a period of four and a half days. On average, how many hours did Brad study each day?

• 4.5 hours

• 3.5 hours

• 2.5 hours

• 3 hours

Tags

CCSS.6.NS.B.3

What decimal is represented by point R?

• 1.75

• 1.4

• 1.3333333

• 1.25

Tags

CCSS.6.NS.C.6C

Larry paid $31.25 for 12.5 gallons of gas. How much was each gallon of gas?

• $2.55

• $2.25

• $2.75

• $2.50