Page 156 - NUMINO Challenge_M2
P. 156
Problem solving
1 In odd numbered months, Dustin's allowance increases by 2 dollars and in
even numbered months, his allowance decreases by 1 dollar. His allowance in
July is 9 dollars, and July is an odd numbered month.
Allowance in June: 9-2=7 dollars
Allowance in May: 7+1=8 dollars
Allowance in April: 8-2=6 dollars
Allowance in March: 6+1=7 dollars
Allowance in February: 7-2=5 dollars
In February, Dustin received 5 dollars in allowance.
2 Number of cuts 0 1 2 3 4
Pieces of cake 1 2 4 6 8
The cake needs to be cut for Kelly and her 7 friends, which is a total of 8
people. In order to give each of 8 people a piece of cake, the cake needs to be
cut 4 times.
4 cuts
19Answer Key
1 In odd numbered months, Dustin's allowance increases by 2 dollars and in
even numbered months, his allowance decreases by 1 dollar. His allowance in
July is 9 dollars, and July is an odd numbered month.
Allowance in June: 9-2=7 dollars
Allowance in May: 7+1=8 dollars
Allowance in April: 8-2=6 dollars
Allowance in March: 6+1=7 dollars
Allowance in February: 7-2=5 dollars
In February, Dustin received 5 dollars in allowance.
2 Number of cuts 0 1 2 3 4
Pieces of cake 1 2 4 6 8
The cake needs to be cut for Kelly and her 7 friends, which is a total of 8
people. In order to give each of 8 people a piece of cake, the cake needs to be
cut 4 times.
4 cuts
19Answer Key
