7. ， starting to count from 1 again after 2. | CORRECTION: When adding 5 to 2， thinking 2 + 5 means 5 - 2. | CORRECTION: The + symbol always means to combine or add numbers together， 5 and say the answer is 5. | CORRECTION: Remember to start counting from the first number (2) and then add the second number (5) to it. MISTAKE: Mixing up addition with subtraction. For example， MISTAKE: Counting only up to 5 instead of adding 5 to 2. For example， 4。
making the total bigger. MISTAKE: Forgetting to count the starting number when using fingers or a number line. For example， 5， 4， 2， 3， start from 2 and count 5 steps forward: 3， some students might count 1， 6，。