"Addition and subtraction concepts are introduced through a story about a picnic. Basic addition and subtraction problems are presented as they are used to help plan the picnic. Different methods of addition and subtraction are used, such as a ten frame, linking cubes, and counting on/back. Includes a discover activity, a science connection, and mathematical vocabulary introduction"-- Provided by publisher.

iMath ideas : how many hot dogs are there? -- Discover activity : roll some numbers -- Find sums and differences -- Order doesn't matter -- Connecting to science -- Math at work -- What's the word? -- Picnic games -- iMath ideas : count those dogs! -- What comes next?.