Math
A spacecraft travels 145,650 miles on Monday, 162,875 miles on Tuesday, and 138,925 miles on Wednesday.
The total distance to Mars is 650,000 miles.
Questions
How many miles has the spacecraft traveled altogether?
How many miles remain?
If the spacecraft travels 18,000 miles per hour, about how many more hours will it take to reach Mars?
Answers:
447,450 miles
202,550 miles
About 11.25 hours, or approximately 11 hours 15 minutes. Rounded up to a full travel hour, it would take about 12 hours.
What is the pattern in the numbers below:
2,4,8,16,32,64,128
multiply by 2
An alien zoo has:
18 habitats
Each habitat holds 24 aliens
Each alien eats 3 pounds of food each day.
Food costs $2.80 per pound.
Questions
How many aliens live in the zoo?
How many pounds of food are needed each day?
What is the total daily cost of feeding the aliens?
Answers:
1. 432 aliens
2. 1,296 pounds of food per day
3. $3,628.80 per day
4,826 x 9
43,434
Decompose.
2 5/16
answer will vary
Find an equivalent fraction.
5/12
answers will vary
A school hosts a Space Fair.
They sell:
148 tickets for $8.50 each
92 astronaut helmets for $15.75 each
175 freeze-dried ice cream bars for $4.25 each
The school spent $2,150.80 preparing for the event.
Questions
How much money was earned from each item?
What was the total amount earned?
What was the total profit after expenses?
If the profit is shared equally among 8 science clubs, how much money does each club receive?
Answers:
1. Tickets: $1,258
Helmets: $1,449
Ice cream: $743.75
2. $3,450.75 earned
3. $1,299.95 profit
4. Each club receives $162.49, with 3 cents left over.
A spacecraft travels:
Earth to Moon = 238,900 miles
Moon to Mars = 140,000,000 miles
The spacecraft travels 17,500,000 miles per day after leaving the Moon.
Questions
How many total miles does the spacecraft travel?
About how many days does it take to reach Mars after leaving the Moon?
If astronauts stay on the Moon for 3 days, how many total days does the mission take?
Answers:
1. 140,238,900 miles
2. 8 days from the Moon to Mars
3. 11 days, including the three-day Moon stop
Three astronauts complete spacewalks.
Astronaut A: 2 hours 45 minutes
Astronaut B: 3 hours 20 minutes
Astronaut C: 1 hour 55 minutes
Questions
How much total time did the astronauts spend on spacewalks?
If they began at 8:15 AM, what time would they finish if the spacewalks happened one after another with no breaks?
If they took a 30-minute break between each spacewalk, what time would they finish?
Answers:
1. 8 hours total
2. 4:15 PM
3. 5:15 PM
What is the difference 741,369 - 365,285?
376,084
Scientists collected 468 moon rocks.
They sent:
156 rocks to one laboratory.
98 rocks to another laboratory.
The remaining rocks were divided equally among 7 museums.
Questions
How many rocks remained after sending them to the laboratories?
How many rocks did each museum receive?
Answers:
1. 214 rocks remained
2. Each museum received 30 rocks, with 4 rocks left over
What is the Least Common Denominator 1/9 and 4/6
18
What is the place value of the 4 in 3,427,891?
Hundred thousands place
76 x 9
684
NASA needs to send supplies to astronauts aboard a space station.
Each astronaut receives:
8 food packs
5 water containers
3 oxygen tanks
There are 12 astronauts.
Food packs cost $18.75 each.
Questions
How many food packs, water containers, and oxygen tanks are needed?
How much will all the food packs cost?
If NASA has $2,000 for food packs, how much money will remain?
Answers
1. 96 food packs, 60 water containers, and 36 oxygen tanks
2. $1,800
3. $200 remaining
What is 210 divided by 5?
42
Find the difference: 4,589-2,588
2,001
The digit 2 is in what place?
1,623,985
ten thousands
Add 5 4/5 + 3 3/5
9 2/5
NASA has $8,500 to purchase supplies.
They buy:
18 oxygen tanks for $85.50 each
12 tool kits for $46.75 each
9 communication devices for $125.25 each
Questions
What is the total cost of each item?
What is the total amount spent?
How much money remains?
Answers:
1. Oxygen tanks: $1,539
Tool kits: $561
Communication devices: $1,127.25
2. $3,227.25 spent
3. $5,272.75 remaining
A class has 24 groups.
Each group needs:
18 craft sticks
4 paper cups
3 feet of tape
6 rubber bands
Craft sticks are sold in packs of 150.
Tape comes in rolls of 50 feet.
Questions
How many of each material is needed?
How many packs of craft sticks must be purchased?
How many rolls of tape are needed?
Answers:
432 craft sticks, 96 cups, 72 feet of tape, and 144 rubber bands
3 packs of craft sticks
2 rolls of tape
What is the 8,529 divided by 3?
2,843
Use <,>,or = to compare:
1/2 ___ 8/16
=
What is the value of x?
3/10 = x/100
30
Jessa is serving peach cobbler to her friends. She serves 4/12 of the pie. What fraction is left?
8/12
Malaysia orders 346 chocolate bars. They come in 5 boxes. How many candy bars are in each box?
69
Express your remainder as a fraction.
2,142 ÷ 5
428 2/5
The chocolate bar is 65 pennies. How is 65 pennies represented as a decimal and fraction?
0.65 and 65/100
Use <,>,or = to compare:
3/4 ___ 6/12
>
A telescope records:
248 meteors Monday
316 meteors Tuesday
287 meteors Wednesday
349 meteors Thursday
Scientists divide all the meteor observations equally among 5 research teams.
Questions
How many meteors were recorded altogether?
How many observations does each team receive?
How many observations are left over?
Answers:
1. 1,200 meteor observations
2. 240 observations per team
3. 0 observations left over