NC.2.NBT.6

• Write 3 two-digit numbers with an even sum. Write 3 two-digit numbers with an odd sum.

• If you add 2 odd two-digit numbers and 1 even two-digit number, will the sum be even or odd? Have students write multiple equations to prove their response.

• Four candy bars cost 95¢. They do not all cost the same amount. What could each candy bar cost?

• Write four numbers when added together have a sum of 86?

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NC.2.NBT.7

• You add two three-digit numbers together and the sum is about 500. What could the addends be? What are two other numbers that would work?

• Using the digits 2, 4, 0, 1, 3, and 8 only once, make two 3-digit numbers that will result in the smallest sum. Now make two 3-digit numbers that will result in the largest difference.

• Asha creates two 3-digit numbers with a difference of 284. She then creates two 3-digit numbers with a sum of 284. What could be Asha’s two number sentences? Compare your number sentences with your neighbor’s number sentences.

• Two families are renting a beach house together. Because the families have a different number of children, they will each pay a different amount. Family A is paying $425 and family B is paying $475. Does it cost more than $1,000 to rent the beach house? How do you know?

• Use two different strategies to solve 614 + 295 = and n 432 - 118 =

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NC.2.NBT.8

• Add and subtract 10 from 247. What do you notice when looking at the three numbers? What about when you add and subtract 100 from 247?

• Starting at 765, how many groups of ten will you need to add to get to 805? Starting at 329, how many groups of hundred will you need to add to get to 929?

• How does a hundred chart help you when you are adding and subtracting 10 from a number like 57?

• How does a number line help you when adding or subtracting 100 from a number like 432?

• Caroline is solving 72 + 10. She is using a hundred chart. She starts on 72 and counts 73, 74, 75, etc. until she gets to 82. Paul says there is an easier way to find the answer using the hundred chart. What do you think Paul will tell Caroline?

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NC.2.OA.1

• I made a total of 52 cookies and I put them randomly on 2 plates. I gave 14 cookies from the first plate to my neighbor but there were still 17 on that plate. How many cookies are on the second plate?

• The difference is 23, create a story problem that can be solved by subtracting two 2-digit numbers with this difference.

• Jackie picked some blackberries. Her kids ate 29. She now has 52. How many blackberries did Jackie pick?

• Bill caught 23 fish. He caught some of the fish on Monday, some on Tuesday, and some on Wednesday. Each day he caught more than the day before. What are some fish amounts for each day that could have happened? What is another possible solution?

• Mrs. Coleman’s class is going on a field trip! Each student will be bringing one adult. There will be as many adults riding as children. The bus has 40 seats, but ten seats are empty. How many adults and children are riding the bus if they each have their own seat? Write your answer in a number sentence. Are there any odd or even number of adults and children?

• James came to school with 48 pencils. Some of his friends didn’t have a pencil, so he gave some of his pencils away. He now has 32 pencils. How many pencils did he share with his friends?

NC.2.MD.1

• How many objects can you find that are longer than 8 inches?  How much longer are they?

• Measure the length of the classroom in feet.  Then measure the classroom using your own feet.  How do the results compare?

• Is inches the right unit of measurement to use in measuring the length of the hallway? Why or why not?

• What three items can you find that when placed end to end will equal the same length as your height?

• Can you find something that is about twice as long as it is high? What are the exact measurements?

NC.2.MD.2

• Explain how a meter and a yard are alike and how they are different.

• Measure the length of your classroom in feet and then again in yards. Looking at the results, do you see a numerical relationship between feet and yards?

NC.2.MD.3

• What in this room is longer than 1 foot but less than 2 feet?

• Can you make a list of animals that would be best measured in feet? Can you make a list of animals that would be best measured in centimeters?

• Based on what you know about units of length, what is a reasonable length in feet for a car? Explain your reasoning.

• You want to measure the square piece of carpet you will need to fit under your hamster’s cage. What do you need to measure and how will you measure it? What unit of measurement will you use and what tool will you use to measure it?

NC.2.MD.4

• Find five items in the room that are smaller than your pencil. How much smaller than your pencil are they?

• Find an item in the room that is about twice the size of your pencil. How do you know?

• Alyssa has a piece of railroad track that is 10 inches long. Trey has a piece of railroad track that is 23 centimeters. Whose train track is the longest? Use your ruler to draw a picture to help solve this problem.

NC.2.MD.5

• Justin wants to paint the fence in his backyard. He has a total of 12 fence posts that are each three feet long. He has 2 different colors. How many feet could each color be? Draw Justin’s fence. Compare your fence with a partner’s fence.

• Katie shoveled snow off 18 feet of the driveway. She still needed to shovel 23 more feet to finish. How long is the driveway?

• Our class went on a field trip to Hogle Zoo. While at the gorilla exhibit, you learn that the arm span of an adult gorilla is about 96 inches. Measure you and your partner’s arm span and decide how much shorter or longer those arm spans are than the adult gorilla. If you combine both you and your partner’s arm spans, then how much shorter or longer would it be than the gorilla’s arm span?

• The zookeeper needs to clean the elephant, giraffe and lion cage. The hose will only reach one of the three cages from the water station. What could be the distance from the watering station to each of the cages? What could be the length of the hose?

• A long piece of taffy measured 85 centimeters. Susan and Sorsha then ate some of the taffy. What remains of the taffy measures 13 centimeters. How much taffy (in length) did the girls eat?

NC.2.OA.1

• I made a total of 52 cookies and I put them randomly on 2 plates. I gave 14 cookies from the first plate to my neighbor but there were still 17 on that plate. How many cookies are on the second plate?

• The difference is 23, create a story problem that can be solved by subtracting two 2-digit numbers with this difference.

• Jackie picked some blackberries. Her kids ate 29. She now has 52. How many blackberries did Jackie pick?

• Bill caught 23 fish. He caught some of the fish on Monday, some on Tuesday, and some on Wednesday. Each day he caught more than the day before. What are some fish amounts for each day that could have happened? What is another possible solution?

• Mrs. Coleman’s class is going on a field trip! Each student will be bringing one adult. There will be as many adults riding as children. The bus has 40 seats, but ten seats are empty. How many adults and children are riding the bus if they each have their own seat? Write your answer in a number sentence. Are there any odd or even number of adults and children?

• James came to school with 48 pencils. Some of his friends didn’t have a pencil, so he gave some of his pencils away. He now has 32 pencils. How many pencils did he share with his friends?