Not all roles available for this page.
Sign in to view assessments and invite other educators
Sign in using your existing Kendall Hunt account. If you don’t have one, create an educator account.
This Warm-up prompts students to compare numbers represented in different ways. It gives students a reason to use language precisely (MP6). It gives the teacher an opportunity to hear how students use terminology to talk about characteristics of the items in comparison to one another. During the discussion, ask students to explain the meaning of any terms they use, such as “place value,” “hundreds,” “tens,” ones,” “sum,” or “base-ten diagram.”
¿Cuáles 3 van juntas?
A.
B.
C.
D.
Card Sort Numbers in Their Different Forms Cards, Spanish
The purpose of this activity is for students to revisit numbers that are written in different forms. Students match numbers represented in different forms: base-ten numerals, base-ten diagrams, number names, and expanded form. As they make matches, students use their understanding of base-ten structure represented in different ways (MP7).
Tu profesor te va a dar varias tarjetas que muestran números de distintas formas.
Agrupa las tarjetas que representen el mismo número. Prepárate para explicar tu razonamiento.
Numbers in Different Forms Round Table Recording Sheet, Spanish
The purpose of this activity is for students to use place-value understanding from grade 2 to decompose numbers in different ways. In small groups, students start by writing a three-digit number, and then pass their number to the group member at their right. Each time students receive the number, they decompose it in a different way. In the Activity Synthesis, students look for connections in the ways their number was decomposed, and in all the recording sheets in their group. Highlight connections that show that place value can be used to represent a number as different combinations of hundreds, tens, and ones. This will be helpful later in the unit when students add and subtract, using strategies and algorithms based on place value.
Part 1
Tu profesor te va a dar una hoja de registro.
Parte A
Parte B
Display 253.
“Hoy descompusimos números de muchas maneras diferentes. ¿Cuáles son algunas de las maneras en las que podemos descomponer 253?” // “Today we decomposed numbers in a lot of different ways. What are some ways that we could decompose 253?” (, , )
Display .
“Si estuvieran sumando 253 y 134, ¿qué manera de descomponer los números creen que les ayudaría más? ¿Por qué?” // “If you were adding 253 and 134, which way of decomposing the numbers do you think would be most helpful and why?” (I think decomposing them by hundreds, tens, and ones would be most helpful so we could add hundreds and hundreds, tens and tens, and ones and ones.)