K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Addition word problems - sums to 20
Word problems tell a story. Find the numbers, choose addition, and solve.
Do this: Read the concept below, then try the quiz or activity.
Lesson 14 of 186
Concept
When two groups join together, use addition.
Clue words: - in all - total - together - altogether
Example: Mia has 8 stickers. Leo gives her 5 more. How many stickers does she have in all? 8 + 5 = 13.
Try it
Solve: 1. Sam has 6 marbles. He finds 7 more. How many now? 2. There are 9 birds on a tree and 4 more fly in. How many birds in all? 3. A box has 10 crayons. Ava adds 6 crayons. How many crayons total? 4. Write your own addition story with answer 15.