Study meaning: So pray to your Lord and offer sacrifice to Him.
The response to the gift is worship directed to Allah. Prayer and sacrifice are both named. A young learner can understand this as gratitude expressed through obedience. Sacrifice is not an unsupervised activity for children.
Return to ayahs 1-1, then add this ayah. If a phrase is difficult, practise less material and return later. A parent can listen and encourage without asking the learner to compete.