In this addition instructional activity, students use a number line or mental math to solve 20 sums. Example: "Gus Plus has 5 cubes. He collects 7 more. He now has ---." Students soon learn to hold the first number in their heads and count on.
6 Views 24 Downloads
Solve Multiplication Problems: Using Skip Counting
Explore yet another use of number lines as young mathematicians learn to answer multiplication problems by skip counting. This problem solving approach is clearly modeled with the examples presented in the third video of this series....
4 mins 2nd - 4th Math CCSS: Designed