Adding and Subtracting Decimals
What is the sum of 3.4 and 2.56?
5.96
What is 4.2×3?
12.6
Estimate 2.48+3.91 by rounding to the nearest whole number, then find the estimate.
6
Convert 3.2 meters to centimeters.
320 centimeters
Jane bought a notebook for $2.75 and a pencil for $0.45. How much did she spend in total?
$3.20
Subtract 1.25 from 4.73.
3.48
0.736×100=?
73.6
Estimate 7.03−2.89 by rounding each to the nearest tenth, then compute the estimate.
4.1
Convert 4500 millimeters to meters.
4.5 meters
A pack of markers costs $3.60 per pack. How much do 4 packs cost?
$14.40
Add 6.789 and 2.416.
9.205
Find 12.3×4.
49.2
Estimate 6.98×2.1
14
A ribbon is 0.75 meters long. How many centimeters is that?
75 centimeters
A builder used 5.5 meters of trim and then used another 2.75 meters. If he cut off 1.25 meters for waste, how much trim remains?
7.00 meters
Subtract 5.002 from 12.
6.998
What is 5.76÷3?
1.92
Estimate 19.6÷4
5
Convert 2.345 kilometers to meters, then to centimeters.
2345 meters, 234500 centimeters
A runner trained 3.2 kilometers the first day and 2400 meters the second day. What is the total distance run in meters?
Find the result of 7.45+3.6−2.075.
8.975
What is 8.4÷100?
0.084
You calculated 3.45×6=20.70. Is this reasonable?
Yes
A recipe needs 250 milliliters of milk. Jessica has 2 liters in her fridge. How much milk does she have after making her recipe?
Jessica has 1750 milliliters of milk left.
or
Jessica has 1.750 liters of milk left.
A small business sold goods for $123.45, $67.80, and $45.25. They paid $30.00 in shipping and then split the remaining profit equally among 3 employees. How much does each employee receive? (Round to the nearest cent)
$68.83