All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 4 Make a 10 will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 4 Make a 10
Explore and Explain
Teacher Directions: Place 13 counters in o cup. Empty the cup onto the page. Place red counters in the top ten-frame. Place yellow counters in the bottom ten-frame. Write the addition sentence. Move yellow counters into the top ten-frame to make ten. Write the new addition sentence.
Explanation:
See and Show
You can make a ten to help you add. Find 8 + 4.
First:
Show 8.
Then show 4.
Next:
Take apart 4 to make a 10.
Last:
Add.
Now you have 10 + 2.
10 + 2 = 12
So, 8 + 4 = 12
Use Work Mat 2 and . Make a 10 to add.
Question 1.
9 + 5 = ____
Answer:
9 + 5 = 14
Explanation:
The sum of 9 and 5 is 14
5 is broken apart as 1 and 4
9 + 1 = 10
10 + 4 = 14
Question 2.
7 + 5 = ____
Answer:
7 + 5 = 12
Explanation:
The sum of 7 and 5 is 12
5 is broken apart as 3 and 2
7 + 3 = 10
10 + 2 = 12
Talk Math Name all of the facts you know that have a sum of 10.