“Hoy usaron varios métodos para restar 2 números de dos dígitos” // “Today you used different methods to subtract 2 two-digit numbers.”
“Resolvieron restas de formas que tienen sentido para ustedes y usaron bloques en base diez para quitar distintas cantidades” // “You solved in ways that make sense to you, and you used base-ten blocks to take away different amounts.”
“¿En qué se parecían restarle un número de dos dígitos a un número de dos dígitos y restarle un número de un dígito a un número de dos dígitos?” // “How was subtracting a two-digit number from a two-digit number the same as subtracting a one-digit number from a two-digit number?" (It was the same because we still had to think about subtracting ones. Sometimes you have to decompose a ten if you need more ones.)
“¿En qué fueron diferentes?” // "How was it different?" (When you subtract a two-digit number, you have to think about subtracting tens too. The number you are subtracting is bigger because it's a two-digit number.)
“¿Cómo les ayudó trabajar con un compañero o un grupo a entender distintas maneras de restar números de dos dígitos?” // "How did working together with a partner or a group help you understand different ways to subtract two-digit numbers?"