Razzle Dazzle 3

 

Razzle Dazzle Ideas for Math

 

Estimation Bottle

Skills: estimating; counting
Materials: 4-6 clear water bottles, small manipulatives such as counting bears, pompoms, hair bows, pebbles, buttons, coins, seasonal erasers, and other classroom objects, notepad and pencils
Directions: Put several of each object in the bottles. (Vary the amount according to the ability of the children.) Screw on the lids. label the bottles A, B, C, etc. Children write down their estimation for each bottle on a sheet of paper. Next, they dump out the contents for each bottle and count the objects.
More! Have them put a “+” if they guessed too many, a “-“ if they guessed too few, and “=” if they guessed the correct amount.
Or, they could put the inequality sign between the estimate and the actual amount.
Write numerals on the bottles and ask the children to make sets and put them in the bottles.
 

Number Generator Bottles

Skills: sets; addition
Materials: plastic water bottle, food coloring, glitter, dice
Directions: Fill the bottle ¾ full with water. Add a drop of food coloring and a spoonful of glitter. Insert a die and glue on the lid. Children take the bottle, shake it up, and then hold it up and identify the set on the bottom.
More! Have them write down the number on the die.
Keep a tally of the number on the bottom.
Put two dice in the bottle for the children to “shake and add.”
Make two similar bottles. Two children each take a bottle and shake it up. Who has more? Who has less? Are the amounts the same?
 

Bean Counters

Skills: measurement
Materials: clear packaging tape, large dry lima beans, common classroom objects to measure such as a pencil, crayon, block, eraser, etc.
Directions: Lay a 14” piece of packaging tape on the table sticky side up. Place ten lima beans end to end in the middle of the tape as shown. Fold the top of the tape down, the bottom up, and seal. Trim off the ends. Children take the bean counter and place it on the end of the object to be measured. How many beans long is the object?
More! Have children record their measurements.
Ask children to find something in the room that is 2 beans long.
Can they find something 5 beans? 10 beans? etc.

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