Put your students' multiplication skills to the test with a game of multiplication war. Write multiplication problems on index cards, and place the cards in a face-down pile on a flat surface. Two players flip over a card, and the player with the higher product keeps the two cards. If the cards reveal the same answer, the players keep their own cards and flip over two new cards. The game continues until all of the cards have been flipped. The player with the most cards at the end of the game wins.
Use this activity to reinforce telling time on an analog clock. On one set of index cards, draw pictures of analog clocks that display different times. On another set of index cards, write the digital representation of these times. Place the digital times face up on the floor, and place the analog clock index cards in a face-down pile. One student at a time takes a card from the pile and must find the digital card that matches the time the analog clock displays. The student who makes the most matches at the end of the game wins.
Second-grade students begin learning about symmetry, and this activity will help them gain a better understanding of the concept. Provide children with cut-out shapes such as triangles, squares and circles. Provide students with the definition of symmetry -- an image that is exactly the same on both sides -- and encourage them to fold the shapes in half horizontally and vertically to determine if the shapes are symmetrical. Once students gain an understanding of the concept, provide them with more difficult shapes, such a hearts, diamonds and stars.
Develop your students' understanding of 3-D figures with this activity. Discuss different types of 3-D figures, such as spheres, cones and cubes, and show students images of these shapes. Encourage students to search around the classroom for items that represent 3-D shapes, and upon finding their items, have students share them with the class and discuss the names of the shapes that the items represent.