1st Grade Games - Add and subtract within 20.

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Screenshot Name / Description Flag? Rating
Freddy's Subtractions
Help Freddy collect the right subtractions to score big points!
Minus Mission
Slow the large green slime by answering subtraction problems correctly. Aim and fire at the correct answer.
Number Twins
Determine which pairs of balls add up to the total given.
Math Match
Matching game using cards to practice addition and subtraction.
Catch the Stars
Practice addition skills by catching stars in your bucket.
Fruit Shoot
Shoot fruit pieces by answering the addition questions correctly.
Math Shooter
Pop the underwater bubbles by choosing the correct answer
Lady Bug Addition
Count the spots on the lady bugs to add numbers less than 20
Arithmetic Challenge
Speed test your addition!
Pretzel Arm Wrestling
Solve the addition problems to win the arm wrestling match!
Math Fries
Eat the right answer and clean your plate
Jet Ski Addition
Get addition problems right to power your jet ski!
Island Chase Subtraction
Get subtraction problems correct to power your jet ski faster!
Learning addition with blocks
Put the blocks on the blanket to add up to a given number.

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