ID 303

Russia has an area of 17,075,200 square kilometers.

Canada has an area of 9,976,140 square kilometers.

The United States of America has an area of 9,629,091 square kilometers.

China has an area of 9,596,960 square kilometers.

India has an area of 3,287,590 square kilometers.

Which area is the largest?

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Describe the colored area of the rectangle in terms of a fraction.

Remember, there may be more than one correct answer.

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Thomas has 24 meters of fence and wants to make a rectangular yard with the largest area.

What length should he make each side of the yard?

ID 317

The letter 'A' is symmetrical. A symmetrical figure can be folded in half and have both sides match exactly.

Of the 26 capital letters of the alphabet, how many are symmetrical?

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Picture shows a plan of a square garden. The distance between apple trees is 5 meters. The distance between a tree and the fence around the garden is 5 meters.

Find the area of the garden.

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I assemble rectangles from colored squares.

All the squares on the edges are red, and the inner squares are blue.

For example, the figure shows a 5 x 9 rectangle with 24 red and 21 blue squares.

Find the rectangle where the number of red squares is equal to the number of blue squares.

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ID 1193

In the picture, figures ABCDEF and UVWXYZ have the same shape and size.

Which side must have the same length as side BC?

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ID 1293

Children launched 40 balloons.

They found 20 balloons.

The diagram shows where the balloons were found.

Which gives the biggest number?

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A pentagon (from pente, which is Greek for the number 5) is any five-sided polygon.

Which shapes are pentagons?

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Estimate how many red circles can be placed around the blue circle so that they all touch the blue circle.

All circles are of the same size, and they may not overlap.

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Which figure is divided into 4 congruent shape?

Two figures are congruent if they have the same shape and size.

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I cut four congruent triangles off the corners of a rectangle to make a hexagon.

What part of the initial shape was removed?

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What is the maximum length of the side of a cube that can fit in this box?

The picture shows inner sizes of the box.

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An ant goes from point A to point B along the indicated path.

How many times does the insect turn left?

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Thomas has 32 meters of fence and wants to make a rectangular yard with the largest area.

What length should he make each side of the yard?

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Find the point that is exactly in the middle between two red arrows.

How far is it from the left arrow?

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Picture shows a plan of a square garden. The distance between apple trees is 5 meters. The distance between a tree and the fence around the garden is 5 meters.

Find the perimeter of the garden.

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A symmetrical figure can be folded in half and have both sides match exactly.

Of the 26 capital letters, how many are symmetrical along the horizontal axis?

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The tower shown is made of cubes stacked on top of each other.

Some of the cubes are not visible.

How many cubes are not visible at the picture?

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In the picture, figures ABCDEF and UVWXYZ have the same shape and size.

Which side must have the same length as side DE?

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The picture shows a 5x5x5 solid cube.

How many small cubes must be used in a hollow cube of the same size?

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What is the total displacement of a boy who walks 1 block north, 2 blocks east, 3 blocks south, 4 blocks west?

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Four squares of colored paper of the same size have been placed on top each other as shown at the picture.

What is the order of the squares from the bottom to the top?

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Gerry has a cube twelve inches on a side.

If he cuts the cube into smaller cubes 4 inches on a side, how many smaller cubes will he get?

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