Видео

Ms Ho shows how subtracting a number is the same as adding its opposite.

Ms Ho finds absolute value and opposites of integers

Ms Ho goes through instructions for how to complete the canned food label project

Ms Ho names the parts of a cylinder and finds the volume

Ms Ho finds the volume of the coffee part in a cylinder drink

Ms Ho finds the area of a quarter of a circle

Ms Ho uses the volume of a cylinder to estimate the volume of water in the Corn Water Tower

Ms Ho finds the area of a whole circle and then uses that to find the area of part of the circle.

Ms Ho shows how to go backwards to find the diameter from the circumference.

Ms. Ho looks at the area of a circle

Ms. Ho looks at the area of a circle.

Ms. Ho looks at square roots of numbers that are not perfect squares

Ms. Ho introduces square roots

Ms. Ho introduces perfect squares

Exponents

Ms. Ho uses multiplying by a reciprocal to make division problems simpler

Ms. Ho changes division into multiplication by using the reciprocal.

Ms. Ho looks at how reciprocals work.

Ms. Ho looks at addition with negation and negative numbers

Examples of subtraction with negative numbers

Warm Fuzzy Cold Prickly Game

Anatomy of a Circle

Measuring a circle to find the circumference and the diameter

Measuring straight edges to find the perimeter

Mother hen with chick

Italian tubular cast-on 2x2 ribbing