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by BlastRoom
The two addition facts and two subtraction facts that share the same three numbers.
#us_grade_1_math
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
You know 7 + 2 = 9. What is 9 - 2?
Which three numbers make a fact family?
A fact family uses 5, 2 and 7. One fact is 5 + 2 = 7. Which fact also belongs?
A fact family uses 4, 6 and 10. One fact is 4 + 6 = 10. Which fact also belongs?
A fact family uses 2, 10 and 12. One fact is 2 + 10 = 12. Which fact also belongs?
The fact family for 5, 11 and 16 has four facts. Which one does NOT belong?
A fact family uses 11, 9 and 20. One fact is 11 + 9 = 20. Which fact also belongs?
A fact family uses 12, 7 and 19. One fact is 12 + 7 = 19. Which fact also belongs?
A fact family uses 5, 8 and 13. One fact is 5 + 8 = 13. Which fact also belongs?
Which three numbers make a fact family?
You know 11 + 2 = 13. What is 13 - 2?
Which three numbers make a fact family?
The fact family for 12, 6 and 18 has four facts. Which one does NOT belong?
You know 2 + 6 = 8. What is 8 - 6?
Which three numbers make a fact family?
The fact family for 10, 5 and 15 has four facts. Which one does NOT belong?
You know 5 + 10 = 15. What is 15 - 10?
The fact family for 6, 11 and 17 has four facts. Which one does NOT belong?
A fact family uses 3, 6 and 9. One fact is 3 + 6 = 9. Which fact also belongs?
You know 12 + 6 = 18. What is 18 - 6?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
20 questions
