Jigsaw Puzzles for a toddler
Wooden Alphabet Sound Puzzle

Spindle Box & Sandpaper 🔢Numbers Extensions (Montessori Math)

In a Montessori Math curriculum, after introducing to a child at around two years of age Number Rods (see a post here), Sandpaper Numbers are generally introduced next (see a post here). The third math material is generally a Spindle Box (buy here), which teaches a child the difference between the numeral (a 🔢 number/symbol written on a wooden box's slot) and quantity (substance, like when a child is holding actual spindles in his/her hands). The box has numerals zero to nice written on separate slots, and a child concretely learns that one is not a much, while nine is a lot!

DSC_0101.JPGAdrian needs both hands to hold 9 spindles, which concretely shows to a child the quantitative size of a numeral.

Presentation: while pointing to the numeral (symbol) written on the wooden slot, say:

  • This says 0. It is empty; there is nothing." So, a child will not place any spindles in that compartment.
  • "This says 1." Than hand a child one spindle and say: "This is 1. Would you please place 1 spindle in the box that says 1." 

DSC_0101.JPGPlacing 9 spindles in the correct slot that says 9.

With Adrian (at 35 months), rather than handing spindles to him, I would ask him to get spindles from the bucket and place them in the corresponding slots. Starting with number eight, Adrian could no longer hold all the spindles with just one hand, thus he knew very concretely that eight is big, and nine is even bigger! 


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 "Which number is bigger: 3 or 6?"

To reinforce the concept of more/less, bigger/smaller ask the child, who will be holding the spindles in each hand: which number is bigger? 

At this age, it is amazing how fast children progress! Just recently, at 31 months, while using the Sandpaper Numbers (read a post here), Adrian could only successfully complete a Three-Period Lesson with numerals one through three, answering correctly "What is this number?"  With numerals four, five and so forth, however, he would confuse the number names. Nevertheless, three month later, at 34 months, Adrian was able to correctly complete the entire Three-Period Lesson with wooden puzzle numerals one through ten in a Numerals vs Quantity post (see here). Now, a month later, he is very comfortable with numerals one through ten, and he can visually discern which number is smaller/bigger even without holding actual spindles in his hands. 


Next, we are trying an extension of Spindle Box lesson by adding Sandpaper Numbers (buy here). Adrian would first trace the sandpaper number with his finger, then choose the corresponding number of spindles from the bucket, and then place the spindles in the correct slot of the spindle box.

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💡 TIP: place the bucket with spindles in the other room, so that the child can run and get the spindles every time. Adrian definitely learns better when we incorporate gross-motor movement.


Another game we like to play to facilitate number recognition with Sandpaper numbers is to keep few sandpaper numbers face up, and give a child fun simple instructions:


DSC_0045.JPG"Put number four on your head."
DSC_0045.JPG"Hide number three under your arm."
DSC_0045.JPG"Turn number two upside-down."
DSC_0045.JPG"Sit on number one."

The goal of this game is to reinforce number recognition, and have the child pick the correct number while following fun instructions.


Another fun game we play is "Knock-knock" game. Start with just three numbers (1-3) and then add numbers gradually as the child becomes more proficient. The game: the numbers are mixed up and are turned facing down. The child would knock, turn the number over, and he would say its name.


DSC_0045.JPG"Knock-knock, who is there?"
DSC_0045.JPG"Number four is there!" Adrian says. 

DSC_0045.JPGAdrian would then have to choose four spindles ...
DSC_0045.JPG... and place them in a corresponding slot of the spindle box.
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Montessori Spindle Box is also an easy DIY at 🏡 home activity, using any compartments and anything representing quantity such as 🖊pens or 🖍crayons or 🍡 ice-pop sticks. (Montessori materials need Not be 💸expensive.)

DSC_0042-2Since Spindle Box teaches a child the difference between a numeral and a quantity, you can write the numerals on a piece of paper and place in each corresponding slot and use something of substance to represent quantity like pens or pencils or🍡ice-pop-sticks (here). The purpose of this activity is to teach a child a quantitative difference in a numerical size: that one is small and ten is big, and such can be achieved with a variety of materials in your home.

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