Page 138 - NUMINO Challenge_K2
P. 138
p.28 Miraculous Rules Problem solving p.29
Type Study Look at the dialogue between Gail and Mike to find what 1 When a marble is placed in a purse, it follows a rule and
number he needs to respond with.
comes out with a different number. If a marble with the
Dog 3 Park 4 number 3 is put in, what number will the marble coming out
1have?
563
7853
5Flower6
Santa
2 Mina looks at the animal next to her and calls out a number.
Look for the pattern to find what number she says next.
46
Vending Machines and Functions 20
A vending machine dispenses an object when a button is pressed. A soda vending machine Tip
will dispense a coke when the coke button is pressed and will dispense a sprite if the sprite Think about the parts
button is pressed. The principle of an object coming out when a button is pressed is called a of the animal that Mina
function. can be referring to.
Functions are tools in understanding mathematical concepts. Allow the students to explore
many different types of functions. Rules 29
28 NUMINO Challenge K2
Guide the students to think about the various relationships between words and numbers,
numbers and other numbers, and objects and numbers.
p.30 Relationship between Numbers Problem solving p.31
Type Study Find the rule in the box to solve each problem. 1 Follow the given rules to solve the problem.
4 64 7 33 38 3 62 2 Rules
5 22 1 91
: Subtract the smaller number from the greater number.
2 9=9-2=7
: Choose the greater number.
6 5=6
2 35 5 27 43 7 26 8 51 4 29 7
3 14 1 89 37 7 86 8
2 A number is written by observing the magic gems and
following a rule. Find the missing number.
12 27 32 15
Importance of Definition Tip
Think about the
When a child is born, he/she is named. For example, if someone is named Gary, everyone must call him Gary. numbers that the red
If everyone called him a different name, Gary would not notice whether somebody called him or not and gems and the purple
communication will not be possible. gems show.
In the same way, if a circle is just called round, the ambiguity of the description will make some people
consider as a circle while others might consider as a circle. The inaccuracy of such terms will cause Rules 31
confusion when learning math. Mathematics is a study that is based on the fixed terms that everyone agreed
upon to follow, and explanations of the meaning of those terms are called definition. In order to succeed in
mathematics, students must accurately learn definitions and be able to follow those definitions.
30 NUMINO Challenge K2
WFihnedntchoemrpualreinogf3tdhieffetrwenot onbujmecbtse,rms ebaysure eaCchouonbtjethcet wnuitmh baefrouorftrheodbmjeacgtitchgatemcasnaancdt
oasbsaesrtvainndgatrdh,earnedsucoltusnftrtohme naudmdbinegr oafnedach objpeucrtptloe cmomagpicaregeinmdsir,eacntldy. think about the
subtracting the two numbers, finding rule behind them.
greater or smaller number among the two
numbers, etc.
9Answer Key
Type Study Look at the dialogue between Gail and Mike to find what 1 When a marble is placed in a purse, it follows a rule and
number he needs to respond with.
comes out with a different number. If a marble with the
Dog 3 Park 4 number 3 is put in, what number will the marble coming out
1have?
563
7853
5Flower6
Santa
2 Mina looks at the animal next to her and calls out a number.
Look for the pattern to find what number she says next.
46
Vending Machines and Functions 20
A vending machine dispenses an object when a button is pressed. A soda vending machine Tip
will dispense a coke when the coke button is pressed and will dispense a sprite if the sprite Think about the parts
button is pressed. The principle of an object coming out when a button is pressed is called a of the animal that Mina
function. can be referring to.
Functions are tools in understanding mathematical concepts. Allow the students to explore
many different types of functions. Rules 29
28 NUMINO Challenge K2
Guide the students to think about the various relationships between words and numbers,
numbers and other numbers, and objects and numbers.
p.30 Relationship between Numbers Problem solving p.31
Type Study Find the rule in the box to solve each problem. 1 Follow the given rules to solve the problem.
4 64 7 33 38 3 62 2 Rules
5 22 1 91
: Subtract the smaller number from the greater number.
2 9=9-2=7
: Choose the greater number.
6 5=6
2 35 5 27 43 7 26 8 51 4 29 7
3 14 1 89 37 7 86 8
2 A number is written by observing the magic gems and
following a rule. Find the missing number.
12 27 32 15
Importance of Definition Tip
Think about the
When a child is born, he/she is named. For example, if someone is named Gary, everyone must call him Gary. numbers that the red
If everyone called him a different name, Gary would not notice whether somebody called him or not and gems and the purple
communication will not be possible. gems show.
In the same way, if a circle is just called round, the ambiguity of the description will make some people
consider as a circle while others might consider as a circle. The inaccuracy of such terms will cause Rules 31
confusion when learning math. Mathematics is a study that is based on the fixed terms that everyone agreed
upon to follow, and explanations of the meaning of those terms are called definition. In order to succeed in
mathematics, students must accurately learn definitions and be able to follow those definitions.
30 NUMINO Challenge K2
WFihnedntchoemrpualreinogf3tdhieffetrwenot onbujmecbtse,rms ebaysure eaCchouonbtjethcet wnuitmh baefrouorftrheodbmjeacgtitchgatemcasnaancdt
oasbsaesrtvainndgatrdh,earnedsucoltusnftrtohme naudmdbinegr oafnedach objpeucrtptloe cmomagpicaregeinmdsir,eacntldy. think about the
subtracting the two numbers, finding rule behind them.
greater or smaller number among the two
numbers, etc.
9Answer Key
