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McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 1 Adding Two-Digit Numbers
Add
Write the sum.
Question 1.
Answer:
Explanation:
Sum of:
10 + 22 = 32.
Question 2.
Answer:
Explanation:
Sum of:
43 + 56 = 99.
Question 3.
Answer:
Explanation:
Sum of:
62 + 24 = 86.
Question 4.
Answer:
Explanation:
Sum of:
27 + 30 = 57.
Question 5.
Answer:
Explanation:
Sum of:
51 + 13 = 64.
Question 6.
Answer:
Explanation:
Sum of:
73 + 14 = 87.
Question 7.
Answer:
Explanation:
Sum of:
34 + 41 = 75.
Question 8.
Answer:
Explanation:
Sum of:
87 + 11 = 98.
Question 9.
Answer:
Explanation:
Sum of:
64 + 25 = 89.
Question 10.
Answer:
Explanation:
Sum of:
19 + 30 = 49.
Question 11.
Answer:
Explanation:
Sum of:
26 + 33 = 59.
Question 12.
Answer:
Explanation:
Sum of:
53 + 15 = 68.
Question 13.
Answer:
Explanation:
Sum of:
12 + 25 = 37.
Question 14.
Answer:
Explanation:
Sum of:
85 + 13 = 98.
Question 15.
Answer:
Explanation:
Sum of:
42 + 30 = 72.
Question 16.
Answer:
Explanation:
Sum of:
32 + 42 = 74.