P = perimeter in LEGO units = 32
A = area in LEGO units = 64
Instructions: Print 1 copy per stock “purchased”.
Plants need soil, water, and sunlight to grow. You can help demonstrate this in a fun activity that that allows children to practice their math skills (charting and graphing).
Plant seeds in four cups:
You can plant any seeds but wheat, barley, or lentils grow the fastest for more immediate results.
It is best to plant two or three seeds in each cup to make sure that one will grow. For the measurements you can use the tallest. (Please note that averages are not being used here because if one or two or the three seeds do not grow for reasons out of our control the average would underestimate plant growth.)
Children can track the growth of each condition on a daily basis (i.e., height above soil/paper towel), using the following chart (right-click to save/print) and graph the results on the second chart below. (they can choose a different color for each condition and mark them on the legend). If they miss a day of measurement, they can leave it empty on the chart and graph.
Instructions: Print one copy of each of the files above (right-click to save/print).
Experiment 1: Fruit and Vegetable Water Loss
If you have a kitchen scale, children can use it to measure the degree of water loss by measuring weight of fruits and vegetables over time. If you don’t have a kitchen scale, you can skip the weight measurements and measure size of the fruits.
Chart 1: Daily Measurements for Each Piece
Instructions: Print 4 copies of this sheet for each type of fruit or vegetable (right-click to save/print)
Chart 2: Daily Calculations of Weight and Volume for All Pieces
Instructions: Print 1 copy of this sheet for each type of fruit or vegetable (right-click to save/print)
Graph 1: Fruit and Water Content Experiment – Water Loss Volume.
Instructions: Print 1 copy of this sheet (right-click to save/print).
Graph 2: Fruit and Water Content Experiment – Water Loss Weight.
Instructions: Print 1 copy of this sheet only if you will be measuring weight (right-click to save/print).
Children can place one drop of each into a clear cup filled with water. Follow the ratios presented on the following links and fill in the blanks to find out how many different shades can be produced by using different ratios. Which ones are the same?
Tip: use the same amount of water for each cup (60 ml is sufficient).
Orange = 1 red : 1 yellow
Green = 1 blue : 1 yellow
Indigo = 2 blue: 1 red
Purple = 1 blue : 1 red
Step 2: Add the following proportions of sugar into the cups and mix well. Tip: hot water helps the sugar dissolve easier.
Step 3: Once the sugar has dissolved, use a turkey baster or a syringe to slowly layer the colored water. Begin with the most dense and move your way up to the least dense.
Once you have layered all the colors, you should have a rainbow!
Using different proportions of water in a cup, you can make an instrument that produces different pitches. You can also label the pitches to demonstrate the relationships between music and math.
A fun working memory exercise would be to play a tune and have your children play it backwards engaging their visuospatial and auditory working memory. Try engaging each working memory system separately by having them close their eyes or cover their ears as you play the tune.
Interested in more free math activities for your child?
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