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1st Grade Math
8. 1.OA.D.8
8.2 Complete the addition statement up to 5
Complete the Addition Statement Up to 5
Find the missing number in an addition statement up to 5 using pictures, counters, and simple counting tricks.
What You'll Learn
Recognize that an addition statement has two parts and a total, and one piece can be missing.
Count the objects you can see first, then count on to figure out the missing amount.
Use fingers, counters, or drawings to check that both parts together make the given total.
Apply the idea that \( 2 + 3 = 5 \) also means \( 2 + ? = 5 \) has the missing number 3.
Check your answer by counting all the objects together to make sure they match the total.
What You'll Practice
1
Finding missing numbers in addition equations up to 5
2
Completing addition sentences with visual dot representations
3
Filling in blanks when the missing addend is in different positions
Why This Matters
Completing addition statements builds your number sense and problem-solving skills. This foundational skill helps you understand how numbers work together and prepares you for solving equations and word problems throughout your math journey.
This Unit Includes
5 Video lessons
Practice exercises
Learning resources
Skills
Addition
Missing Addends
Number Sense
Basic Facts
Problem Solving
OH Curriculum Aligned