Kids can solve puzzles to learn CCSS-based concepts. Complete missions to earn awards and care for a virtual pet. Track progress with personalized practice sessions.
Practice mental arithmetic with exercises in addition, subtraction, multiplication, and division. Set goals and track progress. Customize difficulty levels and receive instant feedback after each answer. Share scores with friends.
Helps users practice daily with 1- exercises. Tracks progress over time. Teaches basic calculations for children. Includes interactive drills and instant feedback.
Solve puzzles by adding, subtracting, multiplying, and dividing to progress through levels. New puzzles arrive weekly. Play offline anytime with no time limits. Track progress on leaderboards.
Practice with addition, subtraction, multiplication, and division for numbers 0 to 9999. Solve mixed operations tailored to each grade level. Review historically recommended problems to improve skills. Use draft mode for calculation practice.
Play games to calculate total lemons squeezed by juicers. Compare lemon counts between upper and lower areas. Compete against others. Compress images and match counts for challenges.
Learn arithmetic operations like subtracting 7-9, multiplying by 4, 8, 9, 11, and 25. Practice calculations through structured lessons with increasing difficulty. Track progress and reinforce algorithm understanding through targeted exercises.
Helps users practice mental arithmetic with addition, subtraction, multiplication, and division. Select from four difficulty levels and operators. Free trial unlocks addition easy mode. Compete on global leaderboards for fastest times.