Develops 1- and 2-digit vertical addition and subtraction skills! Children solve simple addition and subtraction problems by placing the correct number tile on the turtle's shell. Includes 10 addition mats and 10 subtraction mats!
Helps to build these important developmental skills:
• computing the sum in basic addition facts (sums 0 to 12)
• computing the difference in basic subtraction facts (differences 0 to 11)
• developing automaticity in simple math facts
• 10 two-sided turtle mats
• 72 number tiles
• Activity guide