Page 30 - NUMINO Challenge_B1
P. 30
Problem solving
1 Insert operation symbols ( , , , ) and Key Points
parentheses at the appropriate places between
numbers 4, 3, 2, and 1 to make the following First, determine the
equations true. numbers that can be
made using 4 and 3,
and 2 and 1
respectively.
43 210
43 211
43 212
43 213
43 214
43 215
2 Use 2, 3, 4, 5, operation symbols ( , , , ), First, form equations
and parentheses to form equations with answers by using two or
from 0 to 6 as shown in the box below. three numbers.
(4 2 5) 3 3 24 (3 5) 3
27Number Puzzles
1 Insert operation symbols ( , , , ) and Key Points
parentheses at the appropriate places between
numbers 4, 3, 2, and 1 to make the following First, determine the
equations true. numbers that can be
made using 4 and 3,
and 2 and 1
respectively.
43 210
43 211
43 212
43 213
43 214
43 215
2 Use 2, 3, 4, 5, operation symbols ( , , , ), First, form equations
and parentheses to form equations with answers by using two or
from 0 to 6 as shown in the box below. three numbers.
(4 2 5) 3 3 24 (3 5) 3
27Number Puzzles
