3.4(K) - solve one-step and two-step problems involving multiplication and division within 100 using ... 4.4(B) - determine products of a number and 10 or 100 using properties of operations ...

Multiply decimals by 10, 100, 1000 Learn how to multiply ... your head Explore how to use mental methods for multiplication. How to work out division with remainders Discover how to work out ...