Page 5 - NUMINO Challenge_C2
P. 5
How to Use This Book
1 Clever Calculations Basic Concepts
Basic Concepts Multiplying Numbers Made Up of One Number Creative math begins right here!
At the beginning of each lesson, Basic
We can find the following rules when we multiply numbers made up of only Concepts presents various examples and
8 s and 9 s. figures to help you grasp the main idea of
the day’s lesson. Work on example
8\9 72 the product of 8 and 9 problems based on the basic concepts.
88888\99999 8888711112 the product of 9 and a number 1 greater than 8 Read the Class Notes that will guide you
through the problems step by step.
(8 1)\9 81
Example The following multiplication is made of only 7 s and 9 s. Find a
pattern and calculate 77777777\99999999.
79 63
77\99 7623
777 999 776223
7777 9999 77762223
Type 1-1 Number Pyramids Types
Look for a pattern in the number pyramid below and find the correct This is where the main type of questions for
numbers for and . each topic is introduced. Follow the steps to
find the solution to each problem.
9+99=108055
9+99+999=110755
9+99+999+9999=111065
9+99+999+9999+99999=111105
9+99+999+ +99999999=
9+99+999+ +999999999=
1 Find the patterns for the numbers in the ones place, the tens place, and
higher than above the hundreds place.
1 Clever Calculations Basic Concepts
Basic Concepts Multiplying Numbers Made Up of One Number Creative math begins right here!
At the beginning of each lesson, Basic
We can find the following rules when we multiply numbers made up of only Concepts presents various examples and
8 s and 9 s. figures to help you grasp the main idea of
the day’s lesson. Work on example
8\9 72 the product of 8 and 9 problems based on the basic concepts.
88888\99999 8888711112 the product of 9 and a number 1 greater than 8 Read the Class Notes that will guide you
through the problems step by step.
(8 1)\9 81
Example The following multiplication is made of only 7 s and 9 s. Find a
pattern and calculate 77777777\99999999.
79 63
77\99 7623
777 999 776223
7777 9999 77762223
Type 1-1 Number Pyramids Types
Look for a pattern in the number pyramid below and find the correct This is where the main type of questions for
numbers for and . each topic is introduced. Follow the steps to
find the solution to each problem.
9+99=108055
9+99+999=110755
9+99+999+9999=111065
9+99+999+9999+99999=111105
9+99+999+ +99999999=
9+99+999+ +999999999=
1 Find the patterns for the numbers in the ones place, the tens place, and
higher than above the hundreds place.
