Question 1: Arrange the following decimals from smallest to largest: 0.75, 0.708, 0.7, 0.705.

Answer: 0.7, 0.705, 0.708, 0.75

Question 2: Order these decimals: 2.456, 2.465, 2.454, 2.445.

Answer: 2.445, 2.454, 2.456, 2.465

Question 3: Place these in order from largest to smallest: 5.999, 5.995, 5.9, 5.9951.

Answer: 5.999, 5.9951, 5.995, 5.9

Question 4: Which decimal is the greatest: 0.999, 0.992, 0.9999, 0.998?

Answer: 0.9999

Question 5: Order the following decimals from least to greatest: 3.141, 3.14, 3.1415, 3.140.

Answer: 3.14, 3.140, 3.141, 3.1415

Question 6: A student has the decimals: 0.85, 0.8, 0.858, 0.805. Arrange them from smallest to largest and explain your reasoning.

Answer: Smallest: 0.8, 0.805, 0.85, 0.858. Explanation: Compare digit by digit from left to right.

Question 7: Identify the mistake: Which of the following orderings is incorrect? a) 0.6, 0.66, 0.666, 0.6666. b) 0.6666, 0.6, 0.66, 0.666.

Answer: B is incorrect because 0.6666 is greater than 0.6 and 0.66 but listed after them.

Question 8: Construct a number line on your grid and plot the decimals: 0.45, 0.5, 0.475, 0.48.

Answer: Students draw a line with appropriately spaced points representing the four decimals in order.

Question 9: Compare 0.333, 0.33, 0.303, 0.3. Which is largest and which is smallest? Show your reasoning.

Answer: Largest: 0.333, Smallest: 0.3. Reasoning: Compare digits from left to right.

Question 10: Order these decimals: 0.007, 0.07, 0.700, 0.07.

Answer: 0.007, 0.07, 0.07, 0.700

Question 11: A store sells items priced at 12.99, 12.9, 12.909, and 12.99. Arrange the prices from lowest to highest and explain.

Answer: Prices in order: 12.9, 12.909, 12.99, 12.99. Explanation: Compare digit by digit after decimal.