Mild
Using counters, how would you represent adding +3 and -2?
Start with 3 positive counters, then remove 2 negative counters. The result is +1.
On a number line, where do you land if you start at 0 and move 3 units to the right?
You land at +3.
What is the sum of -4 + 3?
Answer: -1.
Sarah has 5 dollars. She owes 3 dollars to her friend. How much money does she have now?
5 - 3 = 2 dollars.
During a tennis match, one player is down 4 games after the first set but wins 6 games in the second set, then wins 2 more in the third set. How many games ahead is the player at the end of the match?
What is 4 games ahead
You have 4 positive counters and need to add 3 negative counters. What’s the result?
After removing 3 negative counters from 4 positive counters, the result is +1.
You have 4 positive counters and need to add 3 negative counters. What’s the result?
After removing 3 negative counters from 4 positive counters, the result is +1.
What is the sum of 5 + (-7)?
-2
John is at -4 on a number line. He moves 7 units to the right. Where is he now?
-4 + 7 = 3.
A stockbroker starts the day with $500 in their account. They lose $200 on one trade, then make $300 on another. Later, they take $100 out for lunch, and then gain $150 from a third trade. What’s their account balance at the end of the day?
$650
If you have 5 negative counters and add 7 positive counters, what is the result?
Start with 5 negative counters, then add 7 positive counters. You’ll have 2 positive counters remaining
Starting at -6 on the number line, you move 4 units to the left and then 7 units to the right. What is your final position?
Start at -6, move 4 left (to -10), then move 7 right (to -3).
Solve: -8 + 13.
(+5)
You owe your friend $10. You borrow another $5. How much money do you owe in total?
-10 + (-5) = -15 dollars.
A bakery makes 150 cupcakes in the morning. By noon, 50 cupcakes have been sold, but then a customer orders 20 more cupcakes for a party. By closing time, 30 cupcakes are accidentally damaged and thrown away. How many cupcakes are left at the end of the day?
90 cupcakes
You have 6 positive counters, and you need to add -10 counters. What happens?
Remove 6 positive counters and 4 more negative counters. The result is -4.
You start at +5 and move 9 units to the left. Then, you move 4 units to the right. Where do you end up on the number line?
Start at +5, move 9 units left (to -4), then 4 units right (to 0).
Solve: -12 + (-5).
(-17)
A hiker is at an elevation of +200 meters. He descends 350 meters, then ascends 120 meters. What’s his final elevation?
200 - 350 + 120 = -30 meters.
A hiker starts at base camp, which is 3,000 feet above sea level. Over the course of the hike, they ascend 1,200 feet before descending 2,500 feet. How high is the hiker at the end of the day?
1700 feet above sea level.
If you start with 8 positive counters and add -12 counters, how many counters are left?
Remove 8 positive counters and 4 more negative counters. The result is -4.
Starting at -8, you move 6 units to the left and then 11 units to the right. What’s your final position?
Start at -8, move 6 units left (to -14), then move 11 units right (to -3).
Solve: 18 + (-29).
(-11)
A company has a debt of $800. They earn $450 in the first quarter, lose $300 in the second quarter, and earn $150 in the third quarter. What is their net financial status at the end of the year?
-800 + 450 - 300 + 150 = -500 dollars.
A group of friends starts with 8 pizzas. Jess secretly takes 2 pizzas home, and the group gives 1 pizza to a local shelter. Then, Alex orders 3 pizzas which arrive, but the group then eats 4 more pizzas at the party. How many pizzas are left at the end of the night?
8+(-2)+(-1)+3+(-4) = 4 Pieces of Zaaa!