Question 1: Arrange the following numbers in ascending order: 4,567,890, 4,567,899, 4,567,880.

Answer: 4,567,880; 4,567,890; 4,567,899

Question 2: Compare the numbers 3,456,789 and 3,456,799 using '<' or '>'.

Answer: 3,456,789 < 3,456,799

Question 3: Order these numbers from largest to smallest: 9,876,543; 9,876,534; 9,876,543.

Answer: 9,876,543; 9,876,543; 9,876,534

Question 4: Construct a number between 7,654,321 and 7,654,329.

Answer: 7,654,325 (or any number between)

Question 5: Order the following four numbers in descending order: 2,345,678; 2,345,687; 2,345,670; 2,345,679.

Answer: 2,345,687; 2,345,679; 2,345,678; 2,345,670

Question 6: In a list, 5,432,109 is greater than 5,431,999 but less than 5,432,200. Arrange the three numbers: 5,432,109, 5,431,999, 5,432,200 in order.

Answer: 5,431,999; 5,432,109; 5,432,200

Question 7: Using logical reasoning, explain why 1,234,567 is less than 1,234,576.

Answer: Because the units digit in 1,234,567 (7) is less than in 1,234,576 (6), but actually 7 > 6, so the explanation should correct this: The correct reasoning is that 1,234,567 > 1,234,576, so the statement is false.

Question 8: Order the numbers: 8,765,432; 8,765,434; 8,765,430; 8,765,433.

Answer: 8,765,434; 8,765,433; 8,765,432; 8,765,430

Question 9: Plot the graph of y=2x for x-values 1 to 5 on the grid.

Answer: Students plot points (1,2), (2,4), (3,6), (4,8), (5,10).

Question 10: Construct a three-sided figure on the grid where the vertices are at (2,2), (4,2), and (3,4).

Answer: Students draw a triangle connecting the points.

Question 11: Identify the mistake in the following ordering: 12,345,678; 12,345,687; 12,345,679; 12,345,680, claiming it is in ascending order.

Answer: The order is correct; students should identify that the sequence is indeed ascending.

Question 12: Challenge: Find a number greater than 9,999,999 and less than 10,000,001.

Answer: 10,000,000