Mathematical Symbols in Equations

Finding the missing mathematical symbol in an equation using addition and subtraction properties.

Mapped to CCSS Section# Extended common Core, 2.NBT.B.5, 3.OA.C.7

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.,Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 x 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.
Try Sample Question