Math Standard: 2.NBT.B.
5 Fluently add and subtract within 100 using properties of operations,
strategies based on place value, and/or the relationship between addition and subtraction.
Activity 1: Anchor Chart
Description: Benefit: Positive Interaction:
As a class, we will make an This will benefit the students The anchor chart will be made
anchor chart with the different because it will serve as a with the class to see how many
strategies that can be used for reminder the different ways strategies they think they can
subtracting. to subtract. Students will be come up with. An example of an
able to look at the chart anchor chart is shown below.
anytime they need when it is
hung up.
Diagram/Illustration:
Math Standard: 2.NBT.B.5 Fluently add and subtract within 100 using properties of operations,
strategies based on place value, and/or the relationship between addition and subtraction.
Activity 2: Write and Wipe Subtraction
Description: Benefit: Positive interaction:
In this activity, students will The benefit of this activity is Students will react positively to
each get a subtraction card. that the students will get to this activity because they are
These subtraction cards are dry visualize taking the able to subtract hands-on. They
erasable. On the subtraction subtrahend from the are able to see how many they
cards, there is a subtraction minuend by marking out the marked out and count the bears
equation written along with a bears. The students first need that are still left to get the
picture of bears. The number of to learn how subtraction difference of each subtraction
bears in the picture is the works with simple activities problem. This activity is really
minuend. The students will like this one before moving good for visual learners.
take a dry erase marker and on to harder activities. This
mark out the number of bears activity will help students
that equal the subtrahend. understand that subtraction
Students will find the means that something is
difference and rewrite the longer accounted for.
equation at the bottom of the
card in the boxes. The students
would get another subtraction
card and repeat the activity
until time is up. This would be
used in a math center and
students would do complete
multiple subtraction cards and
pass them to their neighbor.
Diagram/Illustration:
Math Standard: 2.NBT.B.5 Fluently add and subtract within 100 using properties of operations,
strategies based on place value, and/or the relationship between addition and subtraction.
Activity 3: Play Dough (Play-Doh) Smash
Description: Benefit: Positive Interaction:
Students will each receive a One benefit of Play-Doh Students will have fun doing this
tube of Play-Doh along with a Smash is that students will be activity because Play-Doh is
laminated Play-Doh smash able to see physically what is being used. This manipulative is
sheet. The students will each being subtracted. Students easy to work with so there will
have a set of task cards with are able to count what is left be no frustration. Students may
subtraction problems listed. to come up with the be able to understand
The student will draw a card difference. Students are use subtraction better by being able
and create balls of Play-Doh to seeing the 10-frame being to physically do subtraction
that match the number of the used and are using a different problems with Play-Doh.
minuend. The students will type of manipulative inside
then put the balls of Play-Doh the 10-frame. Students are
in the 10-frame squares. The able to work hands-on by
students will “smash” the physically subtracting
number of balls that match the something that is tangible for
subtrahend. The students will them to be able to see how
count the remaining un- subtraction works. The
smashed balls to come up with subtraction problems are
the difference. The students only go from 0-10, so they
will then copy the equation into should be able to complete
the blanks along with the them by themselves while
difference with a dry erase using this manipulative. This
marker. The students will then will help them gain a basis for
erase their board and repeat subtracting before moving on
the directions with the next to double digits.
subtraction card.
Diagram/Illustration:
Math Standard: 2.NBT.B.5 Fluently add and subtract within 100 using properties of operations,
strategies based on place value, and/or the relationship between addition and subtraction.
Activity 4: Knock Over Dominoes
Description: Benefit: Positive Interaction:
I would do this activity in math The benefit of this activity is The positive side of this activity
centers. Students will each that the students will get to is that it is hands-on and uses a
receive ten dominoes along visualize taking the manipulative. Students will get
with a subtraction place mat subtrahend from the to physically complete
with an equation written on it. I minuend by knocking down subtraction funs while having
would have students have a the dominoes. Another fun with dominoes. I think that
separate sheet of paper to copy benefit is that students will the students will have fun
all of the subtraction problems get to complete multiple knocking dominoes down.
that they complete. Students subtraction problems while
will set up the amount of having fun. This activity will
dominoes in the boxes that help students understand
matches the minuend on the that subtraction means that
place mat. The students will something is longer
then knock the number of accounted for.
dominoes down that matches
the subtrahend. The students
will then count the dominoes
that are standing to find the
difference. They will then
repeat this activity with
another equation mat until the
center is over.
Diagram/Illustration:
Math Standard: 2.NBT.B.5 Fluently add and subtract within 100 using properties of operations,
strategies based on place value, and/or the relationship between addition and subtraction.
Activity 5: Subtraction with Regrouping
Description: Benefit: Positive Interaction:
This is a file folder activity. I The benefit of this activity is Students will have fun using a
would have students work in that students will start to deck of cards along with base
partners for this activity learn how to regroup ten blocks. They will also like
because it is a little harder with numbers by using base ten being able to work with a
two digit numbers. Students blocks. The students will be partner. The base ten blocks will
will have a deck of cards. First, familiar with using base ten show the students that two digit
students will draw two cards. blocks. Base ten blocks are subtraction is not as scary as
The first card that they draw good for students to use to they think. The students will like
will be the tens place, and the learn how to regroup because being able to create their own
second card that they draw is the rods are able to break subtraction problems and turn a
the ones place. Students will apart into units. This will rod into units and being able to
then put base ten blocks in the help the students visualize complete the subtraction
base ten chart to match the two regrouping and be able to problems that they make up.
digit number that they drew. subtract two digit numbers.
Students will then draw two
more cards. The first card will
be the tens place and the
second card will be the ones
place. They will subtract this
number from the first number
that they drew. They will use
the base ten blocks to help with
their subtraction.
Diagram/Illustration:
