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Questions and Answers
What is the smallest number from the following set: 5, -5, -8, 3?
How much hotter is Cardiff than Aberdeen if Cardiff's temperature is 6°C and Aberdeen's temperature is -7°C?
Which of these pairs of numbers shows the correct relationship using < or >? -8 ___ -6.
What is the result of calculating -3 + 5?
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How much does the temperature drop between 8 a.m. and 9 a.m. if it goes from -11°C to -13°C?
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What is the temperature at 12 p.m. in the supermarket refrigerator?
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In the number line operation, what is the result of 5 - 12?
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Which of the following temperatures represents the highest in the given temperature chart?
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How many metres are there between the Blue Cave at -10 metres and the Crystal Cave at -18 metres?
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What is the result of calculating -8 - (-15)?
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Study Notes
Ordering Numbers
- Order numbers from smallest to largest, starting with the most negative value.
- For example, -8, -5, 3, and 5 would be ordered as -8, -5, 3, and 5.
Number Line Operations
- To subtract a number on a number line, move to the left.
- To add a number on a number line, move to the right.
Temperature Differences
- To find how much hotter one temperature is than another, subtract the colder temperature from the hotter temperature.
Temperature Changes
- Describe the temperature change between each hour by noting whether it went up or down and by how many degrees.
Cave and Mountain Distances
- The cave is below ground level, and the mountain is above ground level.
- Calculate the distance between locations by finding the difference between their respective levels.
Comparing Negative Numbers
- Use the symbols < (less than) and > (greater than) to compare negative numbers.
- The number further to the left on the number line is smaller.
Ordering Decimals
- Order decimal numbers from smallest to largest like whole numbers.
- Remember, the most negative number is the smallest.
Adding and Subtracting Negative Numbers
- To add a negative number, move to the left on the number line.
- To subtract a negative number, move to the right on the number line.
- When subtracting, think of it as adding the opposite of the number.
- To add or subtract multiple numbers, perform the operations sequentially.
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Description
This quiz covers various mathematical concepts such as ordering numbers, number line operations, and temperature comparisons. You'll learn how to arrange integers from smallest to largest, perform basic operations on a number line, and analyze temperature differences. Ideal for students wanting to strengthen their foundational math skills.
