Numbers and Decimals

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Number Line and Comparing Numbers

Numbers and Decimals Number Line and Comparing Numbers

🎬 Video Tutorial

  • (0:01) Number Line: Shows positive numbers to the right of 0 and negative numbers to the left.
  • (0:33) Equal Intervals on a Number Line: Numbers are placed at equal intervals on a number line.
  • (0:57) Inequality Symbols for Comparison: Inequality symbols ($>$, $<$, $\geq$, $\leq$) are used to compare numbers.
  • (1:35) “Greater or Equal To” and “Less or Equal To” symbols: Combining equal and inequality signs expresses conditions like “at least” ($\geq$) or “at most” ($\leq$).

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📂 Revision Cards

Number line showing positive and negative numbers, with labels for origin, equal intervals, and tips on comparing numbers using the number line.
1) Number Line
Inequality symbols explained with examples using the greater than, less than, greater than or equal to, and less than or equal to signs.
2) Inequality Symbol
Two rules for comparing numbers: First, more digits mean greater value. Second, if the number of digits is equal, compare from left to right.
3) Comparing Numbers

🍪 Quiz

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Number Line and Comparing Numbers

1 / 6

Q: Write the inequality for this statement: "5 is less than or equal to 8."

2 / 6

Q: Place 0, 10, -20, and -30 on a number line, which number is furthest to the left?

3 / 6

Q: Write the inequality for this statement: "25 is greater than or equal to 16."

4 / 6

Q: True or False: $12 \geq 12$.

5 / 6

Q: Identify the greater number between 213 and 321

6 / 6

Q: Which is greater: 3,459 or 3,498?

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