Podcast
Questions and Answers
In the model to solve 47 - 5, what should be done to finish solving the equation?
In the model to solve 47 - 5, what should be done to finish solving the equation?
- Take away 3 more unit cubes. The difference is 42.
- Nothing, the model is finished. The difference is 45.
- Take away 2 more unit cubes. The difference is 43.
- Take away 5 more unit cubes. The difference is 40. (correct)
What is Zoey's sum after adding 48 and 7?
What is Zoey's sum after adding 48 and 7?
- 55 (correct)
- 41
- 45
- 415
Which equation does not require breaking apart a ten to subtract?
Which equation does not require breaking apart a ten to subtract?
- 51 - 7 = ?
- 39 - 4 = ?
- 22 - 8 = ?
- 61 - 5 = ? (correct)
What should Josue do next when adding 27 + 5?
What should Josue do next when adding 27 + 5?
Which three groups of base ten blocks have a total of 65?
Which three groups of base ten blocks have a total of 65?
Which model correctly shows 51 using base ten blocks?
Which model correctly shows 51 using base ten blocks?
What should be done to complete the equation 47 - 5 = ?
What should be done to complete the equation 47 - 5 = ?
What is the sum of 48 and 7 according to Zoey?
What is the sum of 48 and 7 according to Zoey?
In which equation is breaking apart a ten to subtract NOT required?
In which equation is breaking apart a ten to subtract NOT required?
Which base ten blocks should be grouped together to total 65?
Which base ten blocks should be grouped together to total 65?
If Josue started adding 27 + 5, what should be his next step?
If Josue started adding 27 + 5, what should be his next step?
Which model represents the number 65 using base ten blocks?
Which model represents the number 65 using base ten blocks?
What would be the result of adding one more unit cube to the number represented by the model $40 + 20 + 5$?
What would be the result of adding one more unit cube to the number represented by the model $40 + 20 + 5$?
