"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of wedges. Developed by literary experts for students in grades 2 through 5."
"Simple text, full color photographs, and illustrations introduce beginning readers to the basic principles of wedges. Developed by literary experts for students in grades 2 through 5."
Content Note
What is a wedge? -- How wedges work -- Examples of wedges -- Wedges and complex machines -- Glossary -- To learn more.
