Unit 2 Lesson 1 Problem Set

Sort positive and negative numbers and solve integer problems!

Sort the following items into the groups, positive, negative, or both. Positive Numbers Numbers to the right of zero Increase in value going to the right on the number line Opposites of negative numbers Can mean gain, increase or above sea level Negative Numbers Numbers to the left of zero Decrease in value going to the left on a number line Opposites of positive numbers Can mean loss, drop, or below sea level Both Found on the number line 1. a. You have two cards with a sum of (-12) in your hand. What two cards could you have? Write the two numbers in the boxes below. 1. b. You add two more cards to your hand, but the total sum of the cards remains the same, (-12). Provide an example of what those two new cards could be. Copy the numbers you provided in the question below down. Write your two new numbers in the remaining boxes. Explain why your example above works. Use complete sentences. During a football game, Kevin gained five yards on the first play. Then he lost seven yards on the second play. How many yards does Kevin need on the next play to get the team back to where they were when they started? Use the number line and space below to show your thinking. Write an addition number sentence that corresponds to the arrows below. Use the space below to show your thinking. Use the word bank to fill in the sentences below. Two numbers that combine to make zero are called opposite numbers.The sum of a number and its additive inverse is zero.