Add
3.45 + 2.7 =
6.15
8.6 − 3.25 =
5.35
4.6×2.5=
11.5
Convert 37/160 to a decimal.
0.23125
A student buys 3 notebooks for $2.75 each and a calculator for $8.50. If the student pays with a $20 bill, how much change should they receive?
$3.25
18.375 + 6.94
25.315
42.005 − 17.68 =
24.325
12.75×3.48=
44.37
Convert 17/66 to a decimal.
0.2575 (bar notation over 75)
A student buys a notebook for $4.75 and a pack of pencils for $2.85. The student pays with a $20.00 bill. How much change should the student receive?
$12.40
Maya bought a notebook for $4.75 and a set of pencils for $2.35. How much did she spend altogether?
$7.10
Jordan had $20.00. He spent $7.85 on a book. How much money does he have left?
$12.15
A school club needs 3.5 yards of ribbon for each project. If the club makes 6 projects, how many yards of ribbon will they need altogether?
21 yards
A teacher has 12.6 liters of water to divide equally among 7 containers. How many liters of water will go into each container?
1.8 liters
A student has $35.00 to spend on materials. They buy 3.5 meters of wire at $2.40 per meter and 2 sheets of plastic at $4.75 each. How much money does the student have left?
$17.15
A 6th-grade class raised $128.75 on Monday, $246.80 on Tuesday, and $175.65 on Wednesday. How much money did the class raise altogether?
$551.20
A Makerspace class has $250.00 in its budget. The class spends $78.65 on cardboard, $46.75 on electronic components, and $39.80 on craft supplies. How much money is left in the budget?
$84.80
A Makerspace class needs 2.75 meters of wire for each project. If 8.4 projects' worth of wire is needed for a large design, how many meters of wire are required altogether?
23.1 meters
A teacher buys 7.5 notebooks for $24.75. What is the unit price per notebook?
$3.30 per notebook
A science class is making a model. Each group needs 2.75 feet of wire. There are 8 groups. The teacher has 25 feet of wire. After giving each group the amount they need, the teacher uses 3.5 feet more for another project. How many feet of wire are left?
Not enough wire. The teacher is short by 0.5 feet of wire.
A class is building a model using several materials. They use 3.75 meters of wire, 2.625 meters of string, 4.8 meters of ribbon, and 1.95 meters of tubing. How many meters of material did they use in all?
13.125 meters
A science class has 15.5 liters of water. Students use 3.275 liters for one experiment and 4.86 liters for another experiment. How many liters of water remain?
7.365 liters
A student sells 12.5 boxes of snacks, with each box containing items that earn $4.75 in profit. How much profit is earned altogether?
$59.375
A Makerspace teacher spends $68.40 on 12.5 meters of specialty wire. What is the cost per meter?
$5.472 per meter
Actual Answer = $5.47 per meter
A store sells 6 granola bars for $4.50 and another brand sells 10 granola bars for $7.20. Which package is the better buy? Show the unit price for each.
6-pack: $4.50 ÷ 6 = $0.75 per bar
10-pack: $7.20 ÷ 10 = $0.72 per bar
Better buy: 10-pack, because it costs $0.72 per bar.