Alternative Algorithms

Alternative Algorithms

Add-Up vs. Standard AlgorithmGR. 3 - NUMBERS AND OPERATIONS-FRACTIONSCCSS.MATH.CONTENT.3.NF.A.1Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.

Partial-Sums vs. Standard GR. 1 -NUMBERS AND OPERATIONS IN BASE 10 AlgorithmCCSS.MATH.CONTENT.1.NBT.B.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

Lattice vs. Standard AlgorithmGR. 5 - MEASUREMENT AND DATACCSS.MATH.CONTENT.5.MD.A.1Convert among different-sized standard measurement units within a given measurement system (e.g., convert 5 cm to 0.05 m), and use these conversions in solving multi-step, real world problems.

Multiply-Up vs. Standard AlgorithmGR. 6 - EXPRESSIONS AND EQUATIONSCCSS.MATH.CONTENT.6.EE.A.1Write and evaluate numerical expressions involving whole-number exponents.

Operations

Addition

Subtraction

Multiplication

Division

Due to technical difficulties the video shows both multiplication and subtraction algorithms. The second half of the video shows the Subtraction Algorithm.

Algorithms