We included HMH Into Math Grade 1 Answer Key PDF Module 6 Lesson 2 Represent Both Addends Unknown Problems with Objects and Drawings to make students experts in learning maths.
HMH Into Math Grade 1 Module 6 Lesson 2 Answer Key Represent Both Addends Unknown Problems with Objects and Drawings
I Can solve word problems when both are unknown and represent the problem with objects, drawings, and equations.
Spark Your Learning
How can you represent the number of animal cards Liz could have?
Answer:
Explanation:
Liz has 9 animal cards
They are elephant cards and tiger cards
Liz could have 4 elephant cards and 5 tiger cards
The equation is 4 + 5 = 9 or
3 elephant cards and 6 tiger cards
The equation is 3 + 6 = 9
Therefore, these are different combinations of 9.
Read this problem aloud: Liz has 9 animal cards. They are elephant cards and tiger cards. How many of each animal card could she have? Children should share different combinations of numbers that add to 9.
Build Understanding
Raul and Jon have 14 books altogether. How many books could each boy have?
A. How can you show the problem and a possible answer?
Answer:
B. How can you use words to explain your answer?
C. How can you write an equation to prove your answer is correct?
Equation: _________
Explanation:
Raul and Jon have 14 books altogether
There are different combinations for 14
I made 2 combinations
The equations are 10 + 4 = 14 and 7 + 7 = 14
So, Raul and Jon could have 10 and 4 books each or
7 books each.
Turn and Talk What could be another answer for this problem?
Jill has 17 pieces of fruit. She has pears and kiwis. How many of each could she have?
Answer:
B. Write an equation to prove your answer is correct.
Equation: ____
Explanation:
Jill has 17 pieces of fruit
She has pears and kiwis
She could have 10 pears and 7 kiwis
The equation is 10 + 7 =17.
Turn and Talk How would your model change if Jill had 1 more pear?
Answer:
Explanation:
If Jill had i more pear then she could have 11 pears and 6 kiwis
The equation is 11 + 6 = 17.
Check Understanding Math Board
Draw and write to solve the problem.
Question 1.
Tristan has 16 fish. Some are goldfish and some are angelfish. How many of each could he have?
Equation: ____
____ goldfish and ___ angelfish
Answer:
Explanation:
Tristan has 16 fish
Some are goldfish and some are angelfish
Tristan could have 10 gold fish and 6 angelfish
The equation is 10 + 6 = 16
10 goldfish and 6 angelfish.
On Your Own
Open Ended Write an equation to solve.
Question 2.
Simon has 15 toy animals. He has giraffes and zebras. How many of each could he have? Draw to show your thinking.
Equation: ____
___ giraffes and ___ zebras
Answer:
Explanation:
Simon has 15 toy animals
He has giraffes and zebras
He could have 10 giraffes and 5 zebras
The equation would be 10 + 5 = 15
Therefore, Simon has 10 giraffes and 5 zebras.
Question 3.
Najja has 18 stickers. She has smiley face stickers and star stickers. How many of each could she have?
Equation: ____
___ smiley faces and ___ stars
Answer:
Explanation:
Najja has 18 stickers
She has smiley face stickers and star stickers
She could have 10 smiley face stickers and 8 star stickers
The equation is 10 + 8 = 18
Therefore, There are 10 smiley faces and 8 stars.
I’m in a Learning Mindset!
Who should I talk with to learn more about unknown addends?