35
Subtraction
Example:
Tom has 2658 beads and Sam has 1729 beads. How many more beads
does Tom have than Sam?
Read and understand the question.
Underline the key details.
Tom has 2658 beads and Sam has 1729 beads. How many beads does Tom have more
than Sam?
What is the question?
How many more beads does Tom have than Sam?
Show the relationship: (You can also use a diagram)
What steps are needed?
Find the difference between 2658 and 1729, that is, 2658 – 1729.
Perform the calculation:
Tom has 929 beads more than Sam.
Check if the answer is correct.
Work backwards, for example, verify if 1729 + 929 = 2658.
2658
Tom
2658
1729
_
929
1729
Sam ?
more
(Tom)
(Sam)
(more)
110 4 10
Tip: Solving word problem