Enter the number that is missing from the equation represented by the models: 2.44 ÷ ___ = 1.22
Understand the Problem
The question is asking us to find the missing number in the division equation represented by the models shown. We know that dividing 2.44 by this unknown number equals 1.22. Thus, we need to determine what this unknown number is.
Answer
The missing number is $2$.
Answer for screen readers
The missing number is $2$.
Steps to Solve
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Set up the division equation We have the division equation: $$ 2.44 \div x = 1.22 $$ where $x$ is the unknown number we need to find.
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Rearrange to solve for the unknown To find $x$, rearrange the equation by multiplying both sides by $x$: $$ 2.44 = 1.22 \cdot x $$
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Isolate $x$ Now, divide both sides by $1.22$ to isolate $x$: $$ x = \frac{2.44}{1.22} $$
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Calculate the division Now perform the division: $$ x = \frac{2.44}{1.22} = 2 $$
The missing number is $2$.
More Information
When dividing $2.44$ by $2$, you get $1.22$. This division showcases basic mathematical principles applied to find unknown values in equations.
Tips
- Not performing the correct operation: Some may mistakenly add or subtract instead of dividing. Always check the operation required in the problem.
- Rounding errors: When calculating, ensure to carry all decimal places until the final answer.
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