A grid representing 100 square yards with 1/4 shaded.

1/4 of 100 Square Yards

A grid representing 100 square yards with 1/4 shaded.

A balance scale holding 5 pounds on the left and 3 and 2 pound weights on the right showing 3+2=5.

Addition Scale

A balance scale holding 5 pounds on the left and 3 and 2 pound weights on the right showing 3+2=5.

A student doing an algebra problem on the chalkboard.

Algebra

A student doing an algebra problem on the chalkboard.

"A pile of wood 1 ft. long, 4 ft. wide, and 4 ft. high, or 1/8 of a cord, is called a cord foot. Find the number of cords of wood in a pile of 25ft. long, 4 ft. wide, and 6 ft high. (Solution: 4 and 11/16)" -Moore, 1907

Cord Foot of Wood

"A pile of wood 1 ft. long, 4 ft. wide, and 4 ft. high, or 1/8 of a cord, is called a cord foot. Find…

Visual of eggs showing 3/4 of a dozen and 1/4 of a dozen. 3x4=12, a dozen.

Dozen in Fourths

Visual of eggs showing 3/4 of a dozen and 1/4 of a dozen. 3x4=12, a dozen.

This fraction chart can be used for students to find A, B, and C in percentage. It can also be used to answer these questions (if it is 2.5 by 2 inches): "How many square inches in the entire figure? How many square inches in C? What part of a square inch is B? How large is A when compared to C? How large is B when compared to A? Into how many quarter-inch squares could you divide the whole figure?" -Foster, 1921

Fraction Chart

This fraction chart can be used for students to find A, B, and C in percentage. It can also be used…

A pie graph of "Proportion of World's Supply of Cotton contributed by each country" labeled with country names and percentages.

Pie Graph

A pie graph of "Proportion of World's Supply of Cotton contributed by each country" labeled with country…

Three students work from using dots as counters in columns (left) to writing the symbolic number (right).

Place Value

Three students work from using dots as counters in columns (left) to writing the symbolic number (right).

One mother rabbit with six baby rabbits.

Rabbits

One mother rabbit with six baby rabbits.