Elizabeth traveled downhill for 110 feet. Next, she traveled uphill for 40 feet. Write an addition expression to describe this situation, and then calculate it.
You can use a number line to add.
Add ones by counting in ones.
Add tens by counting in tens.
Use number lines to find the answers to these sums.
Hannah has $852 in her bank account. She withdrew $51 and then deposited $53. Write an addition sentence to describe this situation, and then solve it.
John is playing a game. He starts with 30 points.
If, after his first turn, the change in his score is . What is his score after the first turn?
If instead, after his first turn, the change in his score becomes +20. What is his score after the first turn?
Find the sum.
Hint: Jump in tens and ones on a number line.
We can use number lines to add negative numbers.
Which number line matches the calculation ?
What is ?
Anthony is adding using a number line.
Which sum is he working on?
What is the total?
Complete using the number line.
Which of the following expressions does not belong with the other four?