Adding Integer Changes from a Table Worksheet Download
The three wrong answers are the mistakes the question is built to catch rather than four unrelated numbers: the sign of the whole answer flipped, the net change applied the wrong way, and both of those together. A student who does the arithmetic right but loses a sign lands on a real choice, so nothing here can be answered by elimination. Three contexts - temperature, an account balance and a diver's depth - each with a start that can be positive or negative, and at least one change in each direction so the table is never just a column of additions.
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Adding Integer Changes from a Table
A signed starting value is given with a table of signed changes, and students work out the value at the end.
About this worksheet
A signed starting value is given with a table of signed changes, and students work out the value at the end.
Student objectives
- Add a series of positive and negative changes
- Keep track of the sign of a running total
- Read signed values out of a table
- Apply a net change to a signed starting value
Everyday practice
- Work out the temperature after a day of rises and falls
- Track a bank balance through deposits and withdrawals
- Follow a diver up and down from sea level
- Add gains and losses to a starting score