Page 254 - NUMINO TG_2A
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16Making a Calendar Unit
CMath Vo abulary multiplication (multiply): find the product, repeated addition of the same number
c Skip-count by 4s 24 1b. After filling in the blanks, help students
notice that skip-counting by 4 is related to
0 4 8 12 16 20 skip-counting by 2.
40 36 32 28 Write 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 on
the board and state the following sentence.
^ 1 2 3 4 5 6 7 8 9 10 Let’s find numbers skip-counted by 4
4 4 8 12 16 20 24 28 32 36 40 from the numbers skip-counted by 2.
d Skip-count by 5s 30 2 4 6 8 10 12 14 16 18 20 22 24 26 28
30 32 34 36 38 40
0 5 10 15 20 25
Answer:
50 45 40 35
2 4 6 8 10 12 14 16 18 20 22 24 26 28
^ 1 2 3 4 5 6 7 8 9 10 30 32 34 36 38 40
5 5 10 15 20 25 30 35 40 45 50
1c. Help students understand that the last
digit of the numbers skip-counted by 5 is a
repetition of 5 and 0. This process will help
students get acquainted with multiples of 5.
16. Making a Calendar 145
Have students who have easily learned the multiples of 2, 3, 4, and 5 complete the following multiplication
tables.
2 8 3 6 1 9 5 4 7 10 Answer:
2 2 8 3 6 1 9 5 4 7 10
3 2 4 16 6 12 2 18 10 8 14 20
3 6 24 9 18 3 27 15 12 21 30
2 8 3 6 1 9 5 4 7 10 2 8 3 6 1 9 5 4 7 10
4 4 8 32 12 24 4 36 20 16 28 40
5 5 10 40 15 30 5 45 25 20 35 50
2A Unit 16 237
CMath Vo abulary multiplication (multiply): find the product, repeated addition of the same number
c Skip-count by 4s 24 1b. After filling in the blanks, help students
notice that skip-counting by 4 is related to
0 4 8 12 16 20 skip-counting by 2.
40 36 32 28 Write 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 on
the board and state the following sentence.
^ 1 2 3 4 5 6 7 8 9 10 Let’s find numbers skip-counted by 4
4 4 8 12 16 20 24 28 32 36 40 from the numbers skip-counted by 2.
d Skip-count by 5s 30 2 4 6 8 10 12 14 16 18 20 22 24 26 28
30 32 34 36 38 40
0 5 10 15 20 25
Answer:
50 45 40 35
2 4 6 8 10 12 14 16 18 20 22 24 26 28
^ 1 2 3 4 5 6 7 8 9 10 30 32 34 36 38 40
5 5 10 15 20 25 30 35 40 45 50
1c. Help students understand that the last
digit of the numbers skip-counted by 5 is a
repetition of 5 and 0. This process will help
students get acquainted with multiples of 5.
16. Making a Calendar 145
Have students who have easily learned the multiples of 2, 3, 4, and 5 complete the following multiplication
tables.
2 8 3 6 1 9 5 4 7 10 Answer:
2 2 8 3 6 1 9 5 4 7 10
3 2 4 16 6 12 2 18 10 8 14 20
3 6 24 9 18 3 27 15 12 21 30
2 8 3 6 1 9 5 4 7 10 2 8 3 6 1 9 5 4 7 10
4 4 8 32 12 24 4 36 20 16 28 40
5 5 10 40 15 30 5 45 25 20 35 50
2A Unit 16 237
