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Check-In: Questions 30–33
- Seven boys each have 1 little brother. How many little brothers do they have altogether? Write a number sentence to match your solution.
- Five girls each have 0 problems left to do on their homework. How many problems do they have left to do altogether? Write a number sentence.
- Jackie collects $1.00 dues each week from the girls in her Brownie troop. This week she collected $14.00. How many girls paid dues? Write a number sentence.
- Joe Smart said, “Here is a rectangle with 4 rows and 10 tiles in each row. That's 4 10 = 40 tiles.” Moe Smart said, “My rectangle has 10 rows and 4 tiles in each row. I can skip count by tens to find how many tiles are in my rectangle.”
Joe said, “You don't need to skip count. You can use the turn-around rule.”
What does Joe mean? Explain using words and number sentences.
- How many dimes are in 90 cents?
- How many nickels are in 30 cents?
- Write a story to show 81 ÷ 9. Draw a picture to go with your story and write a number sentence. Write the other number sentences in this fact family.
- Show two ways you can have 25 cents if you have only dimes and nickels.
- Show three ways you can have 40 cents if you have only dimes and nickels.
- Chewy Candies come in packs of five candies. Irma has 3 packs, Michael has 5 packs, Romesh has 1 pack, and Jessie has no packs.
- How many candies does each student have? Write a number sentence for each student.
- How many candies do they have altogether?
- Jacob has 60 cents and needs $1.00 for a show. How many more dimes does he need to make $1.00?
- A pack of Chewy Candies costs 15 cents. How many packs can you buy with $1.00? Explain your solution.