Alien Addition: Multiples of Ten

Click the ship carrying the sum of the numbers and don't let the aliens land on our planet!

Levels and Question Sets

Multiple of Ten + 1 Digit Number

Pay-What-You-Can

Find the sum of the numbers

Instructions:
1. Read the given number sentence.
2. Find the sum of the given numbers.
3. Click the correct answer before the alien lands in our territory.

Example:

10 + 2 = _____

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