Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 2 Lesson 9 Symbols for Unknown Numbers will engage students and is a great way of informal assessment.
McGraw-Hill Math Grade 2 Answer Key Chapter 2 Lesson 9 Symbols for Unknown Numbers
Solve
Solve for the unknown number. Write the answer on the line.
Question 1.
 – 40 = 40
Answer:
Question 2.
96 – = 39
 = ___
Answer:
96 – = 39
= 96 – 39
= 57
Question 3.
 + 35 = 70
 = ___
Answer:
 + 35 = 70
= 70 – 35
= 35
Question 4.
58 + Â = 61
 = _______
Answer:
58 + Â = 61
= 61 – 58
= 3