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Questions in Grade Middle-school

[Open]What three elements make up most of the Earth's crust?

[Open]Order the following numbers from least to greatest: \(-2, 0, \frac{1}{2}, 0.4, \frac{5}{8}, 1.1, \frac{5}{3}, 2\)

[Open]A student used his place value chart to show a number. After the teacher instructed him to divide his number by 100, the chart showed 28.003. What was the number he started with?

[Open]Cheyenne is playing a board game. Her score was -275 at the start of her turn. At the end of her turn, her score was -425. What was the change in Cheyenne's score from the start of her turn to the end of her turn?

[Open]Create three different drawings showing a number of rectangles and circles in which the ratio of rectangles to circles is 3:1.

[Open]The human body has 209 bones, and 2.9% of them are in the inner ear. How many bones are in the ear?

[Open]What's 65 divided by 3?

[Open]What number is 22 percent of 24.2?

[Open]Word Problem Carlos uses a vertical number line to graph the points -4, -2, 3, and 4. He notices that -4 is closer to zero than -2. He is not sure about his diagram. Use what you know about a vertical number line to determine if Carlos made a mistake or not. Support your explanation with a number line diagram. Was he right or not?

[Open]Jimmy is installing a gravel path along the diagonal of a rectangular garden. The garden measures 24 feet wide by 32 feet long. If the path is 2 feet wide, and gravel costs $3.50 per square foot, how much will it cost to install the gravel path? A. $80 B. $149 C. $280 D. $392 Show work if you can, please.