Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to teach even and odd numbers [title] Count even objects as a class to establish a pattern. [step] Start with even numbers. Count the items together by having students pair up the items and count them off by 2s.

Ending1: Then count the objects together by multiplying at 2s. [substeps] For example, if you have a number 3 and a number 4 in a row, you should multiply about 50-2s by 8 and group them into pairs in the same row. Ending2: Start with the heaviest (most difficult) object on one end, work your way up to heavier objects on the other side. [title] Establish a rule about counting incremental numbers-numerated step by step. Ending3: Count' five' and' four' consecutively as an example. [title] Ask the students to calculate the result. Ending4: Ask students if they notice a pattern with the numbers. [substeps] If they're having trouble understanding, you can take each pair and divide it, so you have 2 groups of items.

Answer format: ending1/ending2/ending3/ending4