Check and explain two-step solutions

2nd Grade Math practice: A student says 27 + 16 - 5 = 56. Is the answer reasonable. Part of two-step add/subtract (Two-Step Add/Subtract).

~10 min

Students check whether each step and the final answer make sense.

Check each step

Check each step
  • In a two-step problem, look at each math step and ask, “Does this make sense?” A step makes sense when the number changes the right way for adding or subtracting.

In a two-step problem, look at each math step and ask, “Does this make sense?” A step makes sense when the number changes the right way for adding or subtracting.

💡 Adding makes the number go up, and subtracting makes the number go down.