Enter the number that is missing from the equation represented by the models: 2.44 ÷ ___ = 1.22.
Understand the Problem
The question is asking for the missing number in the division equation 2.44 ÷ ? = 1.22 that is represented by the models shown.
Answer
The missing number is $2.0$.
Answer for screen readers
The missing number is $2.0$.
Steps to Solve
- Set Up the Equation We start with the given division equation:
$$ 2.44 \div ? = 1.22 $$
- Isolate the Missing Number To find the missing number, we can rewrite the equation by multiplying both sides by the unknown number. This gives us:
$$ 2.44 = 1.22 \times ? $$
- Solve for the Missing Number Now, we can isolate the question mark by dividing 2.44 by 1.22:
$$ ? = \frac{2.44}{1.22} $$
- Perform the Division Calculate the division:
$$ ? = 2.0 $$
The missing number is $2.0$.
More Information
In this division problem, we used basic arithmetic operations to isolate the variable. Understanding how to manipulate equations is crucial in solving problems involving missing values.
Tips
- Forgetting to multiply instead of divide: Some may confuse the operations. Remember that division can be rewritten as multiplication by the reciprocal.
- Incorrectly calculating the division: Double-check your arithmetic to avoid calculation errors.
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