### Common Core State Standard

### 3.OA.C.7

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.

*CCSS: 2.NBT.B.5, 3.OA.C.7, 3.OA.D.9*

Don't crash your spaceship into the number planets. Blast a path through them by shooting the right numbers. Select to blast even/odd numbers or answers to addition, subtraction, multiplication, and division problems.

*CCSS: 2.OA.B.2, 3.OA.C.7*

Help Mr. Moomoo stop the alien invasion by answering addition, subtraction and multiplication questions. Get to the baddies' home planet to put an end to it.

*CCSS: 3.OA.C.7*

Use simple mathematical equations to clear the board in this game. Equations may be either addition, subtraction, multiplication or division.

*CCSS: 2.NBT.B.5, 3.OA.C.7*

Find the answer to the math problems and then knock the answer down with your trusty catapult in this cool math game.

*CCSS: 2.OA.B.2, 3.OA.C.7*

Choose to control the traffic by addition, subtraction or division. Avoid accidents while keeping the traffic flowing. Watch out for the pedestrians and be sure to let the emergency vehicles through.

*CCSS: 2.OA.B.2, 3.OA.C.7*

A fun math puzzler where you'll need to use your math skills to solve each level. Click all the numbers and operators so that the total ends up at zero while never going over 20 or less than zero.

*CCSS: 3.OA.C.7, 7.NS.A.1d, 7.NS.A.2c*

Did you finish Unsigned Int on the previous page? If so then give its sequel, Unsigned Int 2, a try although you might find that this second version is a bit harder!