Problem: How to kill bamboo
Cut the bamboo down to soil level and wait for new shoots to grow back.
Before you spray new bamboo leaves, make sure that you either cut or mow it down and then allow it to regrow. It sounds weird, but you need to let new bamboo grow.

Answer: Bamboo herbicide won't be effective if the canes of the bamboo are well-developed. Bamboo is stringy but not very hard.

Problem: How to teach food fractions for first grade math
Prepare and cook a pizza with the child.
Allow the food to cool down so that it will be easy to touch and handle.
Place the pizza in the middle of a table.

Answer: To avoid any other distractions and to ensure that the food is the main subject, it's best to have a cleared table prior to the lesson. Have a sheet of paper nearby for visual fraction notes.

Problem: How to learn to speak afrikaans
Take an introductory afrikaans class.
Enroll in an introductory class at a local community college, or at a language learning center. You can also find organizations dedicated to language learning online.
Answer: Online classes are convenient because you can learn at your own pace. Taking an introductory class will help you develop a solid foundation in the language.