The no. of toothpicks equals 5 times the no. of shapes. How many toothpicks are needed to build 7 shapes? The no. of matchsticks equals 7 times the no. of shapes.How many matchsticks are needed to build: i) 6 shapes? ii) 11 shapes? The no. of toothpics equals 2 times the no. of shapes plus 3. How many toothpics are needed to build 11 shapes? The number of toothpicks equals 6 times the number of shapes minus 4. How many toothpicks are needed to build: i) 3 shapes ii) 11 shapes The number of matchsticks equals 7 times the number of shapes minus 5. How many matchsticks are needed to build: i) 8 shapes? ii) 5 shapes? |