The text on the image is in Russian. Can you identify and translate the mathematical problems and statements?

The image contains several mathematical problems and statements in Russian. Here's a breakdown and translation: Table Header/Context: There's a table with columns showing numbers like '20', '12', '28', '16', '30', '31'. Above these numbers, there are expressions:

• a - 4
• a : 4
• a

Problem 2 (indicated by a circled '2'):

• Question: старше Саши?
• Statement: Тане 12 лет, Саше 4 года. На сколько лет Таня старше Саши?
• Expression: 12 - 4
• Expression: 12 + 4
• Expression: 12 : 4

Translation of Problem 2:

• Question: Older than Sasha?
• Statement: Tanya is 12 years old, Sasha is 4 years old. How many years older is Tanya than Sasha?
• Expression: 12 - 4
• Expression: 12 + 4
• Expression: 12 : 4

Problem 1 (indicated by a circled '1'):

• Question: старше Саши?
• Statement: Тане 12 лет, Саше 4 года. Во сколько раз выражение для её решения.
• Statement: Устно решил(а) задание N карточки на котором записано с ...

Translation of Problem 1:

• Question: Older than Sasha?
• Statement: Tanya is 12 years old, Sasha is 4 years old. How many times [greater] is the expression for its solution?
• Statement: Verbally solved task N of the card on which is written with ...

Final Statement at the bottom:

• Во сколько раз больше? Чем?

Translation of Final Statement:

• How many times more? Than what?