Question

Which statements are true about adding 56 and 25 mentally? Check all that apply.56 is 4 less than 60.25 can be broken into 4 + 21.56 + 4 + 25 is the same as 56 + 25. 56 + 4 + 21 is the same as 56 + 25.56 + 25 = 81

Answer 1

Let's evaluate each statement regarding adding 56 and 25 mentally:

1. **56 is 4 less than 60.**
True. Since 60 - 56 = 4, this statement is correct.

2. **25 can be broken into 4 + 21.**
True. The number 25 can indeed be expressed as the sum of 4 and 21.

3. **56 + 4 + 25 is the same as 56 + 25.**
True. This is true because adding 4 to 56 and then adding 25 is the same as first adding 25 to 56.

4. **56 + 4 + 21 is the same as 56 + 25.**
True. Since 4 + 21 equals 25, this is a valid equation.

5. **56 + 25 = 81.**
False. The sum of 56 and 25 is actually 81.

Based on this analysis, the statements that are true are:
- 56 is 4 less than 60.
- 25 can be broken into 4 + 21.
- 56 + 4 + 25 is the same as 56 + 25.
- 56 + 4 + 21 is the same as 56 + 25.