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one-to-one correspondence - ✔✔a foundational skill which a child counts
the number of objects in a set accurately
modeling counting objects in a set, making sure to only touch each object
one time, and verbalizing the correct corresponding number - ✔✔teachers
can help children master one-to-one correspondence by: (3)
subitizing - ✔✔the ability to accurately identify the number of objects in a
set with automaticity. teachers can help children instantly recognize "how
many" through repeated practice
dots in ten frames, dominos, playing cards, dice, and their fingers -
✔✔teachers can use a variety of models for repetition, such as: (5)
conservation of number - ✔✔the understanding that the number of objects
in a set does not change when they are rearranged
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, arranging a number of objects, counting them aloud - ✔✔teachers can help
children understand conservation of number by _, such as cubes, in a
single row and _. the teacher can then arrange the cubes into multiple rows
and ask students how many cubes they think there are now. to prove the
number of cubes did not change, they should be counted aloud again.
place value - ✔✔how much a digit is worth based on its position in a
number
expanded form - ✔✔a way to write a number that represents the full value
of each individual digit. ex: 4,272= 4,000+200+70+2
rectangular array - ✔✔an arrangement of objects into rows and columns
that form a rectangle; it is a visual representation of multiplication
divide the denominator into the numerator (ex: 1/8=1÷8=0.125) - ✔✔how
do you convert fractions of decimals?
first, convert the fraction into a decimal, then move the decimal two places
to the right and add a percent symbol - ✔✔how do you convert a fraction to
a percent?
make sure the denominator is the same then use the numerator to make
the comparison - ✔✔when comparing fractions:
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COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED