"Mathematical concepts of counting, estimating, and "greater than" or "less than" are introduced as readers help a farmer herd his sheep. Readers learn to count using tally marks, hundred charts, and group counting. Includes a discover activity, science connection, and mathematical vocabulary introduction"-- Provided by publisher.

Are any sheep missing? -- Discover activity -- Using groups to count -- How does grouping help you count? -- Connecting to science -- Math at work -- Ranchers count their flocks -- Count the sheep -- Are any sheep missing? -- What comes next?.