All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 2 Count On to Add will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 2 Count On to Add
Explore and Explain
Teacher Directions: Draw a green box around number 1. Count on 3. Draw a purple box around that number. Draw a green box around number 7. Count on 2. Draw a purple box around that number. Draw a green box around number 11. Count on 1. Draw a purple box around that number.
See and Show
Find 7 + 3. Use a number line. Count on to add. Start with the greater addend.
Start at 7. Count on 3.
7 + 3 = 10
10 = 7 + 3
Count on to add. Use the number line to help.
Question 1.
6 + 3 = ___
Answer:
Explanation:
The sum of 6 and 3 is 9
6 + 3 = 9
Question 2.
____ = 4 + 2
Answer:
Explanation:
The sum of 4 and 2 is 6
4 + 2 = 6
Question 3.
2 + 9 = ___
Answer:
Explanation:
The sum of 2 and 9 is 11
2 + 9 = 11
Question 4.
1 + 3 = ____
Answer:
Explanation:
The sum of 1 and 3 is 4
1 + 3 = 4
Question 5.
____ = 2 + 7
Answer:
Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9
Question 6.
____ = 9 + 1
Answer:
Explanation:
The sum of 9 and 1 is 10
9 + 1 = 10
Talk Math Why should you count on from the greater addend?
On My Own
Helpful Hint
Start with the greater addend.
Count on to add. Use the number line to help.
Question 7.
7 + 1 = ___
Answer:
Explanation:
The sum of 7 and 1 is 8
7 + 1 = 8
Question 8.
___ = 5 + 2
Answer:
Explanation:
The sum of 5 and 2 is 7
5 + 2 = 7
Question 9.
3 + 8 = ___
Answer:
Explanation:
The sum of 3 and 8 is 11
3 + 8 = 11
Question 10.
6 + 1 = ____
Answer:
Explanation:
The sum of 6 and 1 is 7
6 + 1 = 7
Question 11.
____ = 9 + 3
Answer:
Explanation:
The sum of 9 and 3 is 12
9 + 3 = 12
Question 12.
2 + 8 = ____
Answer:
Explanation:
The sum of 2 and 8 is 10
2 + 8 = 10
Question 13.
Answer:
Explanation:
The sum of 2 and 7 is 9
2 + 7 = 9
Question 14.
Answer:
Explanation:
The sum of 3 and 2 is 5
3 + 2 = 5
Question 15.
Answer:
Explanation:
The sum of 1 and 9 is 10
1 + 9 = 10
Question 16.
Answer:
Explanation:
The sum of 5 and 1 is 6
Question 17.
Answer:
Explanation:
The sum of 3 and 6 is 9
3 + 6 = 9
Question 18.
Answer:
Explanation:
The sum of 1 and 4 is 5
1 + 4 = 5
Question 19.
Answer:
Explanation:
The sum of 3 and 1 is 4
3 + 1 = 4
Question 20.
Answer:
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8
Question 21.
Answer:
Explanation:
The sum of 8 and 1 is 9
8 + 1 = 9
Problem Solving
Question 22.
Annie buys 6 eggs at the market. She has 3 more eggs at home. How many eggs does she have in all?
___ eggs
Answer:
9 eggs
Explanation:
Annie buys 6 eggs at the market.
She has 3 more eggs at home.
6 + 3 = 9
9 eggs that she have in all
Question 23.
Sal’s cow gave 3 pails of milk in the morning and 5 pails in the afternoon. How many pails of milk did Sal’s cow give?
____ pails
Answer:
8 pails of milk that Sal’s cow give
Explanation:
Sal’s cow gave 3 pails of milk in the morning
and 5 pails in the afternoon.
3 + 5 = 8
Question 24.
Joseph has 4 pigs on his farm. One pig has 3 piglets. How many pigs are on the farm?
____ pigs
Answer:
7 pigs
Explanation:
Joseph has 4 pigs on his farm.
One pig has 3 piglets.
4 + 3 = 7
7 pigs are in the farm
Write Math How does counting on help you add?
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McGraw Hill My Math Grade 2 Chapter 1 Lesson 2 My Homework Answer Key
Practice
Count on to add. Use the number line above.
Question 1.
4 + 1 = ____
Answer:
Explanation:
The sum of 4 and 1 is 5
4 + 1 = 5
Question 2.
2 + 6 = ___
Answer:
Explanation:
The sum of 2 and 6 is 8
2 + 6 = 8
Question 3.
1 + 8 = ___
Answer:
Explanation:
The sum of 1 and 8 is 9
1 + 8 = 9
Question 4.
3 + 6 = ___
Answer:
Explanation:
The sum of 3 and 6 is 9
3 + 6 = 9
Question 5.
2 + 4 = ___
Answer:
Explanation:
The sum of 2 and 4 is 6
2 + 4 = 6
Question 6.
2 + 8 = ___
Answer:
Explanation:
The sum of 2 and 8 is 10
Question 7.
Answer:
Explanation:
The sum of 3 and 9 is 12
9 + 3 = 12
Question 8.
Answer:
Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7
Question 9.
Answer:
Explanation:
The sum of 1 and 4 is 5
1 + 4 = 5
Read and then solve the problems.
Question 10.
6 bees are buzzing near a hive. 3 more bees come out of the hive. How many bees are there now?
____ bees
Answer:
9 bees
Explanation:
6 bees are buzzing near a hive.
3 more bees come out of the hive.
6 + 3 = 9
9 bees are there now.
Question 11.
Cherie has 5 trading cards. She gets 3 more cards. How many cards does Cherie have now?
____ cards
Answer:
8 cards
Explanation:
Cherie has 5 trading cards.
She gets 3 more cards.
5 + 3 = 8
8 cards that Cherie have now.
Question 12.
There are 8 butterflies on a bush. 3 more butterflies fly onto the bush. How many butterflies are on the bush now?
______ butterflies
Answer:
11 butterflies
Explanation:
There are 8 butterflies on a bush.
3 more butterflies fly onto the bush.
8 + 3 = 11
11 butterflies are on the bush now.
Vocabularý Check
Draw lines to match.
Explanation:
Math at Home Give your child an addition fact. Hove him or her count on from the greater number to find the sum.