Operations with fractions + decimals
Solve
3.6+0.85
what is
4.45
A notebook costs $2.75. You buy 4. What is the Total cost?
what is $11.00?
a Rectangle's is L=9 in and W=4. Find area.
what is 36 in2
Simplify 12:18 ratio
what is 2:3 ?
Which is greater: −2.7 or −2.09?
what is -2.09?
Solve
5/6 - 1/4
what is 7/12
A bottle holds 6.5 L. You pour out 1.75 L. How much remains?
what is 4.75 L?
A Triangle has b=12 cm and h=5 cm. Find area.
what is 30 cm2
The ratio of boys to girls is 3:5. If there are 15 boys, how many girls are there?
what is 25 girls?
A diver starts at −18 ft and ends at −11 ft. How many feet did the diver rise?
what is 7ft?
Solve
2/5 X 3/4
what is 3/10
You walked 2 1/2 miles, then 1.75 miles. How many miles total did you walk?
what is 4.25 miles?
A rectangle area is 24 and triangle area is 10. What is the total area?
what is 34ft2
A car travels 180 miles in 3 hours. What is the unit rate?
What is 60 mph?
Order from least to greatest: −3.06, −3.6, −3.09
what is
−3.6, −3.09, −3.06 ?
Solve
3/4 divided by 1/2
what is 3/2
You have $20. You spend $7.45 and $3.60. How much money do you have left?
what is $8.95?
A triangle has area 30 cm and base 12 cm. Find the height.
what is 5 cm?
A recipe uses flour and sugar in a ratio 3:2. You have 18 cups of flour.
a) How many cups of sugar are needed?
b) If you only have 10 cups of sugar, what is the greatest amount of flour you can use and still keep the ratio? Explain briefly.
what is 12 cups?
what is 15 cups?
A student says: “−2.5 is greater than −2.05 because 2.5>2.05"
Is the student correct? If not, correct the statement and justify using number-line reasoning.
what is
The student is not correct.
−2.5 is farther left on the number line (it is more negative).
Solve
7/8 - 2/3
what is 5/24
A recipe needs 2 1/4 cups of flour. You already used 5/6 cup. How much more is needed?
what is 17/12 or 1 5/12?
A right rectangular prism has base area 18.5 and of height 4. Find volume and include units.
Volume = Length x Width x Heights
what is 74 cubic units?
A jacket is on sale for 25% off. The sale price is $54. What was the original price?
what is $72?
A temperature changed from −4∘ to 9∘ in one day.
a) What is the total change in temperature?
b) Write an integer equation to represent the change.
what is 13?
what is -4 +13 = 9?