Subtracting Across Zero Worksheet

n 2

n 3

n 4

n 5

Cut 4 bedding of cardboard into 30 arena cards. On 7 of the cards, address the following:

SUBTRACT 1

SUBTRACT 3

SUBTRACT 5

SUBTRACT 7

ADD 2

ADD 4

ADD 10

On anniversary of the actual arena cards, address a bulk for n (the variable), up to 10.

For example:

n = 1 n = 2

n = 5 n = 4

n = 7 n = 6

When you are accessible to activate the game, anniversary amateur should get atom paper, a pencil and 4 blueprint strips. Shuffle the arena cards and put them face bottomward on the table.

Player 1 begins by acrimonious the top agenda in the deck. If it is a variable, amateur 1 fills in the bulk for n on his aboriginal blueprint band (solve on atom paper).

For example:

equation strip: n 2

player picks n = 5

5 2 = 7

Player 1 now has 7 points

If a amateur pulls an ADD or SUBTRACT card, he adds or subtracts the bulk from his points.

The champ is the aboriginal amateur to ability 25 points.

Note: If your fifth grader’s account drops beneath zero, you may accept to advice her add and decrease abrogating numbers.

Extension: Save the bold for the approaching back your adolescent learns to break equations with abrogating numbers. Just put a abrogating assurance in advanced of some of the numbers on the arena cards.

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