**Mental Math**

### $0.99/each

Multiply by multiples of 10

4.NBT.5

Multiply multiples of 4 by 25

5.NBT.5

Quotient & remainder

4.NBT.6

Divide by multiples of 10, 100, & 1,000

5.NBT.1, 5.NBT.2

Multiply by 10, 100, & 1,000

4.NBT.5

Divide by multiples of 10

5.NBT.1, 5.NBT.2

Multiply 3 factors

5.MD.5

Multiply 3-digit numbers by multiples of 10 and 100

5.NBT.1, 5.NBT.2