2D - Math - B4 - TL1 - P41 - 46

• 26, 28, 30

• 28, 30, 32

• 28, 32, 36

• 28, 32, 34

Write the missing numbers. Name the pattern.
34, 36, 38, ​ (a)  
Skip counting by ​ (b)  

• 2
• 40
• 4
• 30
• 42
• 6

Write the missing numbers. Name the pattern.
55, 58, ​ (a)   , 64
Skip counting by ​ (b)   .

• 60
• 62
• 2
• 61
• 3
• 4

glove(s): găng tay

finger(s): ngón tay

• 1

• 11

• 20

• 30

Compare.

• greater than

• less than

• equal to

• 4

• 40

How many triangles are these in the next pattern?

• blue

• green

• yellow

• red

address: địa chỉ

tens: chục

ones: đơn vị

• 23

• 29

• 31

• 33