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Questions in Grade Middle-school

[Answered] An adult blinks about 450 times in 30 minutes. A 12-year-old blinks about 150 times in 15 minutes. How many more times does an adult blink in 60 minutes than a 12-year-old?

[Answered] How can you show six different ways to add the numbers 6, 7, and 8?

[Answered] Write an inequality comparing the two perimeters: 16 6/9 inches and 16 16/18 inches.

[Answered] The calculator below shows the results of dividing 84 by 14. What does the answer tell you about 14 and 84?

[Answered] What is \(\frac{12}{25}\) divided by 4?

[Answered] Help! Fill in the blank: \[ 3 \times 10 = (2 \times 10) + (1 \times \_ ) \]

[Answered] How many ten thousands are in 9,000 tens?

[Answered] How many ten thousands equal 400,000?

[Answered] Determine the range in which the square root of 2 lies. \[ \sqrt{2} \text{ is between 1.4 and 1.5.} \]

[Answered] What is 35.2 written in word form?