Page 152 - NUMINO Challenge_L1
P. 152
Problem solving
1 The number 2 is written using 5 matchsticks. The numbers 3 and 5 can also be
made.
,
2 Make the number 1 with 2 matchsticks, the number 7 with 3 matches, and the
number 4 with 4 matchsticks. Making the numbers 1, 7, and 4 will use all 9
matchsticks.
,,
Type Study If a matchstick is moved, the number of matchsticks used does not change.
Number of matchsticks Move one Add one Remove one
6 7 5
Count the number of matchsticks needed to write each number.
Number of matchsticks 5 6 7
Numbers that 2, 3, 5 , 0, 6 8
can be made
23Answer Key
1 The number 2 is written using 5 matchsticks. The numbers 3 and 5 can also be
made.
,
2 Make the number 1 with 2 matchsticks, the number 7 with 3 matches, and the
number 4 with 4 matchsticks. Making the numbers 1, 7, and 4 will use all 9
matchsticks.
,,
Type Study If a matchstick is moved, the number of matchsticks used does not change.
Number of matchsticks Move one Add one Remove one
6 7 5
Count the number of matchsticks needed to write each number.
Number of matchsticks 5 6 7
Numbers that 2, 3, 5 , 0, 6 8
can be made
23Answer Key