Student Instructions
1.
2. Tap the
and
Read the number sentence. Is 8 a reasonable answer? How do you know?
3. You can
or use the
to help while you explain.
4.
Students will edit this template:
Teacher Notes (not visible to students)
In Texas students are required to explain or justify their answers to addition and subtraction problems. I use problems like this during my math meeting to give opportunities to practice this skill.