Numroo Math
Grade 1 · DomainsAdd and Subtract within 20

Answers & solutions: Add and Subtract within 20 Practice

Check answers on your phone, score quickly, and read step-by-step explanations.

YOUR SCORE

0/ 10 points(Scored 0 / 5 questions)
Q12 pts

6 + 9 = ?

Correct answer:15
Explanation: 6 + 9 = 15.
Q22 pts

17 − 8 = ?

Correct answer:9
Explanation: 17 − 8 = 9.
Q32 pts

Tom has 11 apples and eats 4. How many left?

Correct answer:7
Explanation: 11 − 4 = 7.
Q42 pts

Fill in: 8 + __ = 15

Correct answer:7
Explanation: 8 + 7 = 15.
Q52 pts

True or false: 10 + 7 = 17

Correct answer:true
Explanation: 10 + 7 = 17.
Practice with a game

Play: Number Bond Racers

Review the same skills in a short game.

Play now