Eliminate memory overload and learn 4 math facts on each side of a card! Triangle Flash Cards teach families of facts, showing the relationship between addition and subtraction. How is 4 in one corner related to 7 and 3 in the other corners? For 2 or more players. Each card displays eight problems - four are addition and four are subtraction. Relationship between addition and subtraction facts is emphasized. Students will gain efficiency in memorizing. Cards permit individualization of drill without changing cards. A harder fact is printed on one side of a card and an easier fact is printed on the other side. Includes variations in activities. Supports state and national mathematics standards. Each set includes 20 cards and instructions.
LEARN MATH IN A FLASH -- This set of math flash cards includes 20 double-sided, triangular cards. Use them to help kids, aged 6+, master addition and subtraction while learning families of facts.
BUILD EARLY MATH SKILLS -- Master basic addition and subtraction! Review addition by covering the red number. Review subtraction by covering either of the black numbers.
TAKE THEM ANYWHERE -- These cards ensure a fun math experience anywhere. Use them in study groups, classrooms or for revision at home!
SUITS VARIOUS SKILL LEVELS -- Each card contains easier problems on one side and more difficult problems on the other. Kids gain confidence by using the same cards as more proficient students.
DEVELOPED BY AN EXPERT -- In the 1970s, Dr. Lola May, a renowned mathematics educator, introduced the idea of triangle flash cards. These cards follow her original idea!
REV UP LEARNING! -- Pair these with our multiplication and division Triangle Flash Cards (sold separately) to complete the classroom or homeschool experience.