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Second Grade Math Kit

Find the activities below that correspond with the materials found in our Second Grade Math Kit. Please select the material before selecting the grade to make sure your search results only provide activities for the mats in your Second Grade Math Kit.

Material

Five In a Row -Tic Tac Toe

MATERIAL(S): Add/Subtract Mat, Colored ‘Marker’ Items (paper, dots, etc.), Dice

Each student receives nine items of the same color to mark spots on the Add/Subtract Mat. The winner is the first to get five of their items (or markers) in a row vertically, horizontally, or diagonally. Students roll dice to determine who gets the first turn. 

To begin their turn, a student rolls the die. If they roll an odd number, the student can place a marker on any available odd number. If even, then the student places a marker on any available even number. 

The students strategize as to whether they want to get five in a row or try to block other students from making five in a row. Once a student has a plan, they place their marker on the odd or even number specified by their dice roll.

Grade 2
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Crazy Countdown

Students line up at 100. Each student marches on the mat, counting down from 100 to one.

Kindergarten, Grade 1
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Barney Bumps

Have one student stand on 1 and another on 100. Have each student carefully step on each number – the first student going from 1 to 100 and the other student going from 100 to 1 – while reciting the numbers. ‘Barney Bumps’ is the number they are on when they meet mid-way. Is the number at the halfway point? 

Repeat this activity with students standing on different numbers. While the students are walking, the other students are guessing what number will be the meeting point.

Kindergarten, Grade 1
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Make Tens

Have students choose a number to stand on. Ask each student how many steps it takes to get from their number to make a number with a 0 in the one’s place. For example, if the student is standing on 33, they figure out how many steps they need to take to make 40.

Grade 1
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Dicey Days +10 or +20

Have each student select a card with a number from 1-100. All students go to the mat and each student stands on their number. The instructor rolls a plus/minus die and a die that goes from 1-10 or 1-20. The students add to or subtract from their number based on the results of the roll of the dice.

Grade 1, Grade 2
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Dicey Days

MATERIAL(S): Add/Subtract Mat, plus or minus dice, number dice, number cards / index cards

Have each student select a card with a number from 1-100. All students go to the mat and stand on the number they selected. The instructor rolls a plus or minus die and a traditional die. The students add or subtract from their number based on the results of the roll of the dice.

Grade 1, Grade 2
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The Card Rules

The game is played in pairs. Draw two cards from the pile of 1-100 cards. Each student receives one card. The students decide who will stand on the mat and who will give directions. 

Student A stands on the mat on the number on their card. Student B directs them based on the second card but does not reveal the number. The goal is to direct Student A to the second number with directions such as, ‘add 2’, ‘add 30’, ‘subtract 4’, ‘subtract 50’, etc. 

When the student on the mat reaches the number on the card, the students switch places. See who can get their partner to the correct number in the fewest moves.

Grade 2, Grade 3, Grade 4, Grade 5
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Sieve of Eratosthenes

A prime number is a natural number greater than one and only has two factors, one and itself. Have your students use the Sieve of Eratosthenes to find all the prime numbers up to 100.

Have a student stand on the number one. One is special – it is neither prime nor composite.

Next, have a student step to the number two. This number is prime. Skip count by twos, covering all the multiples of two with construction paper. Have a student move to the next number that is not covered with construction paper (in this case, it will be three). Skip count by 3s and cover all the multiples of 3 with construction paper. Continue the same pattern until 100. The numbers not covered in construction paper are the prime numbers.

Grade 7
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Terrific Tens

Write +10, -10, +20, -20, +30, -30, +40, -40, +50, -50, +60, -60, +70, -70, +80, -80, +90, -90 on index cards. Have students stand on the mat wherever they want. Choose a card from the deck and call out the number. For example, you can draw +20. Then you would say, “Add 20”, and students would add 20 to the number they are standing on by moving down the mat.

Grade 1
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Stupendous Square Roots

Follow the directions for Super Squares activity:

Put construction paper down on the numbers 1, 2, 11, and 12. This makes a 2 x 2 square and the square number 4. Have students count the four squares to discover that 2 x 2 is actually 4. Ask, “What is the next square number? Who can guess?” Students can find the answer by covering the 3 x 3 square (covering the numbers 1, 2, 3, 11, 12, 13, 21, 22, and 23). Have the children skip count by threes to discover that 3 x 3 is 9. Continue laying down pieces of construction paper to make additional square numbers.

After each square has been created, ask, “What is the square root of the square number 4…or of 9… or of 16…” or whatever square number you are discussing. The square root is the number of rows or columns that make the square number. Continue asking similar questions, such as “Who can figure out the square root of 25, 49, or 81?”

Grade 4, Grade 5, Grade 8
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