Grade 2 - Lesson 1

Fill in the blank:

28 = ___ tens + 8 ones

• 2

• 20

Fill in the blank:

75 = ___ tens + 5 ones

• 7

• 70

Fill in the blank:

63 = 6 tens + ___ ones

• 3

• 30

Fill in the blank:

49 = 4 tens + ___ ones

• 9

• 90

Choose the smallest number.
(smallest: nhỏ nhất, bé nhất)

• 22

• 24

• 31

• 38

Choose the greatest number.
(greatest: lớn nhất)

• 22

• 24

• 31

• 38

Choose the number that is greater than 80.
(greater than: lớn hơn)

• 68

• 79

• 81

Choose the number that is less than 70.
(less than: nhỏ hơn)

• 68

• 79

• 81

Order the following numbers from the smallest to the greatest.

(Sắp xếp các số theo thứ tự từ bé đến lớn)

• 12, 16, 20, 24, 28

• 12, 20, 16, 24, 28

• 28, 24, 20, 16, 12

Order the following numbers from the greatest to the smallest.

(Sắp xếp các số theo thứ tự từ lớn đến bé)

• 12, 16, 20, 24, 28

• 12, 20, 16, 24, 28

• 28, 24, 20, 16, 12