Adding 4-digit Numbers

Singapore Math: Grade 3a Unit 2 (part 1)
The sum of and difference between 2 numbers.

Singapore Math: Grade 3a Unit 2 (part 5)
Adding 4 digit numbers

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Singapore Math: Grade 3a Unit 2 (part 6)
More adding of 4 digit numbers

Singapore Math: Grade 3a Unit 2 (part 7)
Even more adding of 4-digit numbers

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Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

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