2_13 - Lesson 10.4B
Solve Compare Problems Using Addition and Subtraction
Items in this lesson
Solve Compare Problems Using Addition and Subtraction
Vocabulary
addends
sum
unknown part
Vocabulary
word problems
compare
I can explain how to solve compare problems using addition or subtraction.
Be Curious
What could the question be?
Develop the Math
Avery and Dylan are building towers. Avery uses 6 more blocks than Dylan. Avery uses 11 blocks. How many blocks does Dylan use?
How can you solve this problem?
Bring It Together
Avery and Dylan are building towers. Avery uses 6 more blocks than Dylan. Avery uses 11 blocks. How many blocks does Dylan use?
You can add or subtract to find how many more or how many fewer.
11 − 6 = ?
11 − 6 = 5, so Dylan uses 5 blocks.
Develop the Math
Adysen has 4 fewer pop-itz than Piper. Piper has 7 pop-itz. How many pop-itz does Adysen have?
Show your thinking.
What information do we know?
Who has more pop-itz? Who has less pop-itz?
Develop the Math
Adysen has 4 fewer pop-itz than Piper. Piper has 7 pop-itz. How many pop-itz does Adysen have?
Show your thinking.
We know Piper has 7
We know Adysen has 4 fewer than Piper.
So, Adysen has 3 pop-itz
Work Together
Jayla has 9 jellybeans. Joshua has 16 jellybeans. How many more jellybeans does Joshua have than Jayla?
Show you thinking.
What information do we know?
Who has more jellybeans? Who has less jellybeans?
Work Together
Coach Wilson made 5 more baskets than Coach Brown. Coach Brown made 12 baskets. How many baskets did Coach Wilson make?
Show you thinking.
What information do we know?
Who made more baskets? Who made less baskets?
Work Together
Amelia built 10 sandcastles. Mya built 17 sandcastles. How many fewer sandcastles did Amelia build than Mya?
Show your thinking?
What information do we know?
Who built more sandcastles? Who built fewer sandcastles?
You Do
Student Edition Book Pages 133-134
