Question 1: Write the number five million, three hundred twenty-one thousand, four hundred seventy-six in numerical form.

Answer: 5301476

Question 2: Express the number 7,045,006 in words.

Answer: seven million forty-five thousand six

Question 3: Arrange the following numbers in order from smallest to largest: 2,345,678; 2,453,678; 2,334,567; 2,434,567.

Answer: 2,334,567; 2,345,678; 2,434,567; 2,453,678

Question 4: Using the grid, write the number one million, two hundred thirty-four thousand, five hundred sixty-seven in standard form.

Answer: 1234567

Question 5: Construct a number on the grid that has 9 in the millions place, 7 in the hundreds of thousands, and 4 in the units place. Explain your placement reasoning.

Answer: Student's explanation should mention placing 9, 7, and 4 in the correct digit positions to form the number, e.g., 9,700,000 plus other digits.

Question 6: Identify and correct the mistake: Write 3,045,062 as 'three million forty-five thousand sixty-two' (this is correct). Now, write 3,045,602 and explain why the initial mistake was incorrect.

Answer: Initial mistake: 'three million forty-five thousand sixty-two' corresponds to 3,045,062; 3,045,602 has 'six' in the hundreds place instead of 'sixty' which is incorrect in the initial statement.

Question 7: Place the following number on the grid: 8,762,491. Show the digit placements for each place value.

Answer: 8 in millions, 7 in hundred thousands, 6 in ten thousands, 2 in thousands, 4 in hundreds, 9 in tens, 1 in units

Question 8: Plot the graph of y=2x for x from 0 to 5 on the grid. Label the points.

Answer: Points: (0,0), (1,2), (2,4), (3,6), (4,8), (5,10)

Question 9: Construct a triangle on the grid with sides of 3cm, 4cm, and 5cm, demonstrating the Pythagorean theorem.

Answer: Student constructs right triangle with correct side lengths.

Question 10: What is the place value of 6 in the number 6,789,345? Explain your reasoning.

Answer: Six is in the hundreds of thousands place, so its value is 600,000.

Question 11: Write the largest 7-digit number using digits 9, 8, 7, 6, 5, 4, 3 exactly once. Show your reasoning.

Answer: 9876543; arranged from largest to smallest to maximize the number.