Page 24 - NUMINO Challenge_D1
P. 24
Problem solving Key Points
1 Use the number cards without repetition to Use one number at a
complete the following multiplication sentence. time and check to
1 23 4 5 67 89 see that no numbers
9 are repeated.
7
2 Fill in the using numbers from 0 to 9 without The result of the
subtraction is a
repetition, to make the substraction sentence 2-digit number. First,
find the thousands
true. and hundreds place
digit of the original
number, and the
hundreds digit of the
subtracted number.
21Number and Operations
1 Use the number cards without repetition to Use one number at a
complete the following multiplication sentence. time and check to
1 23 4 5 67 89 see that no numbers
9 are repeated.
7
2 Fill in the using numbers from 0 to 9 without The result of the
subtraction is a
repetition, to make the substraction sentence 2-digit number. First,
find the thousands
true. and hundreds place
digit of the original
number, and the
hundreds digit of the
subtracted number.
21Number and Operations
