K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Addition and Subtraction Facts - Up to 10
💪 Time for a fluency check! You have learned so many strategies for adding and subtracting. Now let's mix them all up and see how powerful your math brain has become!
Do this: Read the concept below, then try the quiz or activity.
Lesson 31 of 180
Concept
You are ready to solve any addition or subtraction problem up to 10! Let's review your toolbox of strategies.
🎯 Your Strategy Toolbox:
* For Addition:
* Count On: (Good for +1, +2, +3)
* Use Doubles: (4 + 4, and for near doubles like 4 + 5)
* Make Ten: (For numbers like 8 or 9)
* Turnaround Rule: (If 2 + 7 looks hard, think 7 + 2)
* For Subtraction:
* Count Back: (Good for -1, -2, -3)
* Use Addition Facts: (For 9 - 5, think "5 + what = 9?")
* Count On to Find Difference: (Good for numbers that are close, like 8 - 7)The goal is to pick the fastest strategy for each problem!
Try it
Let's see your skills!
Instructions: This is a mixed drill.Some are addition, some are subtraction.Pay close attention to the sign(+ or -)!
Warm - up:
1. 5 + 2 = ___
2. 8 - 3 = ___ Main Workout:
3. 9 - 4 = ___
4. 4 + 4 = ___
5. 10 - 8 = ___
6. 3 + 6 = ___
7. 7 - 0 = ___
8. 8 + 2 = ___
9. 6 - 5 = ___
10. 1 + 9 = ___
11. 7 - 3 = ___
12. 5 + 4 = ___🏆 Challenge Section: Find the missing number. 13. 4 + ___ = 9 14. ___ - 2 = 5