Page 30 - NUMINO Challenge_C1
P. 30
Problem solving Key Points
1 Use the four number cards, operation symbols Use numbers 5, 13,
( , , , ), and parentheses to form an and 15 to make a
equation that results in 1. number that is 1
5 11 13 15 greater or 1 smaller
than 11.
2 Write operation symbols ( , , , ) and Use numbers 2, 3,
parentheses between the numbers to make the and 5 to make a
equation true. (You don t have to use an operation number close to 69.
symbol between every number.)
2 3 5 8 8 8 9 69
27Number and Operations
1 Use the four number cards, operation symbols Use numbers 5, 13,
( , , , ), and parentheses to form an and 15 to make a
equation that results in 1. number that is 1
5 11 13 15 greater or 1 smaller
than 11.
2 Write operation symbols ( , , , ) and Use numbers 2, 3,
parentheses between the numbers to make the and 5 to make a
equation true. (You don t have to use an operation number close to 69.
symbol between every number.)
2 3 5 8 8 8 9 69
27Number and Operations
