Recognize addition sentences with missing addends up to 10
Apply number sense to find unknown values in addition equations
Understand the relationship between parts and totals in addition
Use subtraction thinking to solve for missing addends
What You'll Practice
1
Finding the missing first number in addition sentences
2
Finding the missing second number in addition sentences
3
Completing equations when the sum is given
Why This Matters
Completing addition statements builds your problem-solving skills and prepares you for algebra. Finding missing numbers strengthens your number sense and teaches you to think flexibly about how numbers work together.