With these cool puzzles your students will enjoy Math at the same time as they review the following Common Core Standards: 3.OA.7 / 3.NBT.2 / 4.OA.2 / 4.NBT.3 / 4.NBT.4 / 4.NBT.5 / 4.NBT.6 / 4.NF.1 The pack includes 10 puzzles:1 puzzles – Multiply within 1000.1 puzzle – Multiply within 10000.2 puzzles – Divide within 100.1 puzzles – Divide within 1000.1 puzzle – Subtract within 1000.1 puzzle – Subtract within 10000.1 puzzle – Recognize the equivalent fractions and color by code. ( 1/2, 1/3, 1/4