Grade 2 Math Strategy, 2013-2014 Day 3 ~ Proportional Reasoning Tasks French Immersion

Elementary Program Team, March 2014 1

Big Ideas for Number 1: A number tells how many or how much. (Usually we use numbers to give us the sense of the size of something.)

2

Il y a 4 blocs de base dix sur la table. Quel(s) nombres peuvent-ils représentés?

3

Big Ideas for Number 2: Classifying numbers or numerical relationships provides information about the characteristics of the numbers or the relationship. (Sometimes if you know a little bit about a number or relationship, you know more than you realize.)

4

Moins de 6 enfants partage également près de 26 bonbons. Qu’est-ce que tu sais, avec certitude, à-propos de combien de bonbons chaque enfant reçoit?

5

Big Ideas for Number 3: There are many equivalent representations for a number or numerical relationship. Each representation may emphasize something different about that number or relationship. (There is usually more than one way to show a number or relationship and each of those ways might make something more obvious about that number or relationship.)

6

Comment peux-tu arranger tes jetons pour montrer que 24 est un nombre pair? Explique comment ton arrangement justifie ton travail.

7

Big Ideas for Number 4: Numbers are compared in many ways. Sometimes they are compared to each other; other times, they are compared to benchmark numbers. (Numbers can be compared in different ways – sometimes to each other and sometimes to benchmark numbers.)

8

Compare les nombres 20 et 12. Justifie ton travail.

9

Choisi un nombre pour le deuxième point sur la droite numérique. Place un troisième point sur la droite numérique. Indique quel nombre le point représente. Justifie ton travail.

0

10

11

Big Ideas for Number 5: The operations of addition, subtraction, multiplication, and division each hold the same fundamental meaning no matter the domain to which they are applied. (The meanings of addition, subtraction, multiplication, and division hold true, regardless of the type of number being used.)

12

Quels sont quelques façons pour emballer 32 biscuits également dans les sacs? Montre ton travail.

13

Big Ideas for Number 6: There are many algorithms for performing a given operation. (You can add, subtract, multiply, or divide in more than one way.)

14

Quelles sont toutes les façons différentes pour trouver la somme si tu additionnes 67 + 45?

15