Math · Age 9 · Addition & Subtraction
Estimating with Rounding (Ex. 3)
Use estimation to check real-world calculations.
Module
Addition & Subtraction
Age
Age 9
Duration
8 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
A shop sells 1,847 items in January and 2,053 in February. Estimate the total to the nearest 1,000.
Question 2
Multiple choice
Two cities are 4,325 km and 1,672 km from the capital. Estimate the difference to the nearest 1,000.
Question 3
Multiple choice
If an estimate gives 7,000, which calculation is most likely?
Question 4
Sequence
Round to nearest 1,000 and add: 2,400 + 3,600 ≈ ___; 2,400 + 4,600 ≈ ___.
Question 5
True or false
Estimating before calculating helps you check if your answer makes sense.