This two-book set with included Hot Dots pen provides children with 100 lessons on a variety of math skills appropriate for each grade, from place value and math facts to telling time and identifying money values.

Plus, each set includes 15 challenge activities that prepare children for skills at the next grade level.

Includes two 50-page books, for a total of 100 lessons, plus Hot Dots pen.

Requires 2 AAA batteries (not included).

MAKE MATH PRACTICE WAY MORE FUN: Practicing and mastering 1st-grade math skills is much more fun with the Hot Dots Light-Up Interactive Pen! Kids press the pen to answer 100 grade-appropriate math activities and receive immediate audio-visual feedback MASTER FIRST GRADE MATH SKILLS: Includes 85 1st-grade-level lessons of a variety of math skills including counting, numbers and patterns, time and fractions, PLUS 15 challenge lessons for advanced learners in two sturdy spiral-bound books and Hot Dots interactive pen (pen requires 2 AAA batteries.

Batteries not included) INSTANT FEEDBACK: Pen provides audio sound effects for correct & incorrect responses.

Hot Dots pen also lights up green for correct responses and lights up red for incorrect answers.

Sounds can be muted.