NC.1.MD.3
NC.1.MD.3
NC.1.G.3
NC.1.G.3
NC.1.MD.3
Why is 4:30 also known as half past 4?
You eat lunch between 11:00am and 1:00pm. What are some possible times you can eat?
What difference do you notice between the hour hands for 3:00 and 3:30? Why does it change?
How does the hour hand look different from the minute hand? Is this comparison true for the duration of time each hand represents?
NC.1.G.3
Brian and his three friends want to share a square pan of brownies equally. What are the different ways to cut the pan of brownies?
What does it mean when we say a shape has equal parts? Give examples of the many ways we use the word equal in math class.
Draw 2 lines to make 4 equal parts. What smaller shapes did you make? Divide the rectangle into 4 equal parts another way? What smaller shapes did you make this time?
How many quarter-circles would you need to make a whole circle? How many quarter-circles would you need to make a half-circle? Explain your thinking.
If you want more pieces, should you cut your shape into halves or quarters? If you want bigger pieces, should you cut your shape into halves or quarters? Explain your thinking.
NC.1.OA.1
NC.1.OA.1, 2, 3, 4, 6, 9
NC.1.MD.5
NC.1.OA.1
Gail and Bill found 12 seashells on the beach. Some of them were shaped like cones. The rest of them were shaped like half circles. How many could have been shaped like cones? How many could have been shaped like half circles?
Maria has eight more crayons than Brian. Maria has 10 crayons. How many crayons does Brian have? Use this answer to solve the next question.
Ana has 4 crayons. If she puts her crayons with Brian and Maria’s crayons, will they have enough crayons to fill a box that holds 16 crayons? How do you know?
Jim had sixteen toy cars. He went to the toy store with his father. His father bought him some more cars. When Jim got home, he counted his cars and then he had 20. How many cars did his father buy for him?
On Monday, Cara made 5 cupcakes. On Tuesday, Cara made some more. She had 11 cupcakes altogether. How many cupcakes did Cara make on Tuesday?
NC.1.OA.2
Brady read for three days. At the end of the third day, Brady had read a total of 20 pages. How many pages could he have read on the first, second and third days? What is another possibility?
There are chickens, sheep and pigs in a barn. There are 18 animals total in the barn. How many chickens, sheep and pigs could be in the barn?
Maria has 14 fish in her fishtank. Some are angelfish, goldfish, and neon fish. How many angelfish, goldfish, and neon fish could she have?
John has a box of 18 donuts. There are three different types of donuts in the box, chocolate, sugar, and strawberry. John knows there are 8 chocolate donuts. How many of sugar and strawberry donuts could John have?
The carnival takes tickets for the following rides: ferris wheel is 6 tickets, the swings are 5 tickets and the magic carpet ride is 8 tickets. How many tickets will Mark need to go on each ride once?
There are 3 bananas, 4 apples, and 4 oranges in a fruit bowl. Are there more or less than 10 pieces of fruit in the bowl? How do you know?
NC.1.OA.3
How would you describe the commutative property to someone from another planet?
Show me 2 different examples that proves the commutative property.
Why does the total stay the same, even though you are adding in a different order? (example 6+5=11 and 5+6=11) Use drawings and/or models to help explain.
Would you get the same sum if you had two blue buttons and three red buttons as you would if you had three blue buttons and two red buttons? Can you write the addition sentences that show that?
Laura had 5 fish. Her mother gave her 1 more. Laura’s brother Frank had 1 fish. Their mother gave Frank 5 more. Laura cried, “That’s not fair! He has more fish than I do!” Frank doesn’t agree. Who is correct? How do you know?
I own a pet store. There are 9 dogs, 1 cat and 3 fish in the store. How many pets are in the store? What number sentence could you write to match this story problem? Where is 10 in this number sentence? What new number sentence could we write to match what we did?
Laura solved the following problem: 7 + 2 + 3 = 12 How do you decide which numbers to add together first? What “friendly” number combinations do you see? Will we get the same number if we solve it different ways?
NC.1.OA.4
Sarah picked three apples from the tree. Sarah needs 15 apples in all. How many more apples does Sarah need to pick?
There were 12 children on the swim team. Four of them were boys and some were girls. How many girls were on the swim team?
The zoo keeper gave some bananas to the monkeys for lunch. The monkeys ate 7 bananas and the zoo keeper counted 8 left. How many bananas did the zoo keeper start with?
Marty has 9 books in his library. He wants to have 18. How many more books does Marty need to get?
Ms. Smith has 17 stamps left in her book of 20. How many stickers did she use?
NC.1.OA.6
How is 9+2 related to 29+2, 49+2, and 79+2?
How does the make-ten fact, 4+6 help you find the sum of 34+6 or 54+6?
Does the doubles strategy work with numbers greater than 10?
When we subtract 2 we can think of counting back. Does this work with two-digit numbers? How are 61-2, 31-2, and 11-2 related?
How could you use doubles to help you find the sum of 7 + 6?
Julie picked out three different dominoes out of a pile of dominoes. If she added the dots on each domino, the sum of each domino was 10. What could the three different addition sentences be for the three dominoes she picked?