Page 158 - NUMINO Challenge_K1
P. 158
p.88 Compare Numbers Problem solving p.89
Type Study Look at the following number cards and answer the questions. 1 Write the number of each colored ball in and mark > or <
2 7 21 1 19 29 30
3 12 27 25 8 14 16 in .
How many number cards are less than 15? 19 21
7 2 Color the snail according to the rules.
Find all the numbers greater than 20 and write them in Numbers less than 10:
order from the smallest number. Numbers greater than 10 but less than 30:
Numbers greater than 30:
21 25 27 29 30
3
7 27
Compare Numbers 21 9
18
When comparing 2-digit numbers, the number with the greater digit in the tens place is greater. When the digits 37
in the tens place are the same, the number with the greater digit in the ones place is greater. If students have
difficulty comparing numbers, use number blocks or counters to assist students in visualizing the numbers.
12 < 23 34 < 37
1<2 4<7
Compare Tens place Compare Ones place
88 NUMINO Challenge K1 89Numbers
Use the order of numbers to compare Show students how to count by grouping
numbers. of 5 or 10 and guide them to practice this
method.
p.90 Guessing the Number Problem solving p.91
Type Study What month was the duck born in? 1 Mike and Mary are playing a guessing game. What number is
I was born on a month that is an even 12Mary thinking of?
number. The month is greater than 9
but it was not on a cold winter. When Mike : Is it greater than 13?
was I born? Mary : No, it is less than 13.
Mike : Is it less than 10?
123456 Mary : No, it is greater than 10 but it is not 11.
7 8 9 10 11 12
Tip
Mark X on the months that are not an even number.
Write the numbers
Circle the months that are greater than 9. from 1 to 13 and
cross out the numbers
Which of the circled months are not in the winter? that do not satisfy
each condition.
10 (October)
2 Each person threw a dice once. Who threw the greater
number?
My number Jack
is greater than 3, My number is
but it is not greater than 5.
an even number.
4, 5, 6 6
Number that Fit Conditions Gina Jack Tip
Since the students will have difficulty in finding the number that matches all the conditions, guide them to cross A die only has the
out numbers that do not match each condition to find the described number. numbers from 1 to 6.
90 NUMINO Challenge K1 91Numbers
WGuhiedne cthoemsptaurdinegnt3s dtoiffwereitnetaorbajencgtes,omf neuamsubreresaacnhdocbrjoescst owuitth/takfeouarwthayobthjeecnt uthmabt ecrasnthaact
adso anostasnadtiasrfdy,thaendgicvoeunnctothnedintiuomnsbuenr toilftehaecyhaorebjlecfttwtoithcothmepfainrealinduimrebcetlry..
29Answer Key
Type Study Look at the following number cards and answer the questions. 1 Write the number of each colored ball in and mark > or <
2 7 21 1 19 29 30
3 12 27 25 8 14 16 in .
How many number cards are less than 15? 19 21
7 2 Color the snail according to the rules.
Find all the numbers greater than 20 and write them in Numbers less than 10:
order from the smallest number. Numbers greater than 10 but less than 30:
Numbers greater than 30:
21 25 27 29 30
3
7 27
Compare Numbers 21 9
18
When comparing 2-digit numbers, the number with the greater digit in the tens place is greater. When the digits 37
in the tens place are the same, the number with the greater digit in the ones place is greater. If students have
difficulty comparing numbers, use number blocks or counters to assist students in visualizing the numbers.
12 < 23 34 < 37
1<2 4<7
Compare Tens place Compare Ones place
88 NUMINO Challenge K1 89Numbers
Use the order of numbers to compare Show students how to count by grouping
numbers. of 5 or 10 and guide them to practice this
method.
p.90 Guessing the Number Problem solving p.91
Type Study What month was the duck born in? 1 Mike and Mary are playing a guessing game. What number is
I was born on a month that is an even 12Mary thinking of?
number. The month is greater than 9
but it was not on a cold winter. When Mike : Is it greater than 13?
was I born? Mary : No, it is less than 13.
Mike : Is it less than 10?
123456 Mary : No, it is greater than 10 but it is not 11.
7 8 9 10 11 12
Tip
Mark X on the months that are not an even number.
Write the numbers
Circle the months that are greater than 9. from 1 to 13 and
cross out the numbers
Which of the circled months are not in the winter? that do not satisfy
each condition.
10 (October)
2 Each person threw a dice once. Who threw the greater
number?
My number Jack
is greater than 3, My number is
but it is not greater than 5.
an even number.
4, 5, 6 6
Number that Fit Conditions Gina Jack Tip
Since the students will have difficulty in finding the number that matches all the conditions, guide them to cross A die only has the
out numbers that do not match each condition to find the described number. numbers from 1 to 6.
90 NUMINO Challenge K1 91Numbers
WGuhiedne cthoemsptaurdinegnt3s dtoiffwereitnetaorbajencgtes,omf neuamsubreresaacnhdocbrjoescst owuitth/takfeouarwthayobthjeecnt uthmabt ecrasnthaact
adso anostasnadtiasrfdy,thaendgicvoeunnctothnedintiuomnsbuenr toilftehaecyhaorebjlecfttwtoithcothmepfainrealinduimrebcetlry..
29Answer Key
