Write 801,050,008 in expanded form, including its nonzero place values.
Practice — Chapter 1
Fresh problems from the immediately preceding lesson cluster. Show all work and attach correct units.
Consolidation questions
In 501,080,002, what is the value of the digit 1 in the millions place?
Calculate 67 × 10. Explain how the digit values change.
Calculate 35 × 10. Explain how the digit values change.
Calculate 833 ÷ 10. Give a whole-number quotient and remainder.
Calculate 6,569 ÷ 100. Give a whole-number quotient and remainder.
Calculate 94 × 70 by factoring 70.
Calculate 77 × 900 by factoring 900.
Find 3,920 ÷ 70. Explain which shared factor can be removed.
Find 89,100 ÷ 900. Explain which shared factor can be removed.
Representation and explanation
Use Consolidation Questions 1 and 2 above (not two questions of your choice). For Question 1 draw a place-value chart with zeros in their correct columns. For Question 2 draw a place-value chart with zeros in their correct columns. Label all quantities, include physical measurement units when they are part of the question, show which operation your model proves, and check the answers by an inverse calculation or a size estimate.