Interactive books include: phonics books, coloring books for kids, sticker books for kids, activity books for kids. Each of these formats is focused on skill-building while keeping children engaged.

David Genter began designing math puzzles about 20 years ago, when he worked on diesel engines as an engineer. Genter's puzzles will be printed where space permits in the Daily Press every Tuesday ...

Edited from an original photo courtesy of Jeff Smith. Please note that the illustrations of Frosty’s shapes are not to scale. Ignoring the hats, eyes, etc., find Frosty’s new surface area as a cube.

Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost intelligence and improve ...

Label the rectangles correctly with the letters A to I. Show puzzle solution Only the four blue-shaded rectangles below intersect three other rectangles, and therefore they must be F, G, H and I. H ...

(Author’s Note: We ask that readers do not use AI to solve this puzzle.) ...

The hour, minute and second hands of this clock are all the same length and move smoothly in a circle. The dial contains hour and minute markers, but the numbers are missing. Therefore, it’s ...

Once upon a time, four queens known as the queens of blue, red, green and pink were locked in a bitter feud. The monarchs lived on four islands, all the same size, yet each with its own distinctive ...

One string in each of the following pairs can be unraveled into a circle—the so-­called unknot. Which one is it? Show puzzle solution The knots at the top left and the bottom right can be unraveled ...

Draw four lines beginning and ending at the gray points to break this square into pieces that can be rearranged into five identical squares. Bonus: Suppose you can use any number of lines that begin ...

The circle above contains four intersecting chords. Lengths are: a = 2y + 3, b = 7x − 5, c = 5x − 1, d = y + 9, e = 7x − 3, f = 9x − 5. Find the area A of the entire circle. Send the correct answer to ...