Math-Review B1: Sign Wars Game
14 December 2020
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Shuffle OFF
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In order to use this set properly, be sure that the SHUFFLE feature is turned OFF. This flashcard set should only be viewed in the FLASHCARD or CARD mode.
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Advance to next card.
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In Sign Wars, positives \”battle\” negatives. After each battle, we ask ourselves, \”Who survived?\” (You may use paper and pencil whenever necessary to answer the questions.)
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Advance to next card to see how the pairs are neutralized.
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LEVEL 1: For the battle, we \”neutralize\” positive and negative pairs.
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+2
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Determine the number and type of survivors.
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-1
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LEVEL 1: For the battle, we \”neutralize\” positive and negative pairs. Visualize them being neutralized and determine the number and type of survivors.
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-7
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LEVEL 1: Determine the number and type of survivors.
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+4 -7
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LEVEL 2: Positives and negatives are displayed in COUNTED CLUSTERS. Group forces before the battle. How many positives? How many negatives?
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-3
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LEVEL 2: Determine the number and type of survivors.
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Positives: +12 Negatives: -10 Survivors: +2
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LEVEL 2: Group forces before the battle. How many positives? How many negatives? Determine the number and type of survivors.
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Positives: +10 Negatives: 0 Survivors: +10
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LEVEL 2: Group forces before the battle. How many positives? How many negatives? Determine the number and type of survivors.
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Positives: +5 Negatives: -5 Survivors: 0
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LEVEL 2: Group forces before the battle. How many positives? How many negatives? Determine the number and type of survivors.
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Advance to next card.
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LEVEL 3 Clusters appear \”in disguise\” by taking on an additional sign or by dropping a sign. The first step is to REMOVE the disguise. 1) A cluster with NO sign, with \”- -\” or with \”+ +\” is a POSITIVE cluster. 2) A cluster with \”+ -\” or with \”- +\” is a NEGATIVE cluster. 3) If a cluster has a SHIELD (parentheses), look through the shield to see the sign.
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+3
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LEVEL 3 Remove the disguise: – – 3
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+2
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LEVEL 3 Remove the disguise: – (-2)
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-6
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LEVEL 3 Remove the disguise: – (+6)
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+4
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LEVEL 3 Remove the disguise: 4
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-9
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LEVEL 3 Remove the disguise: + (-9)
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+5
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LEVEL 3 Remove the disguise: + + 5
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-3
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LEVEL 3 Remove the disguise: + -3
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-4
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LEVEL 3 Remove the disguise: – +4
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Positives: +7 Negatives: -11 Survivors: -4
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LEVEL 3 Remove the disguises. How many positives? How many negatives? Determine the number and type of survivors.
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Positives: 0 Negatives: -9 Survivors: -9
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LEVEL 3 Remove the disguises. How many positives? How many negatives? Determine the number and type of survivors.
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Positives: +7 Negatives: -14 Survivors: -7
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LEVEL 3 Remove the disguises. How many positives? How many negatives? Determine the number and type of survivors.
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Advance to next card.
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LEVEL 4 Determine the survivors for this battle: -3 + (-4) – (-5) – (+2) + (+6) Step 1: Remove the disguises: – 3 – 4 + 5 – 2 + 6 Step 2: Group forces: – 9 + 11 Step 3: Who survived? +2
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Remove disguises: -2-3+4-5 Group forces: -10+4 Who survived: -6
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. -2 + -3 – -4 + -5 =
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Remove disguises: -3+2-5+6 Group forces: -8+8 Who survived: 0
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. -3 + (+2) – (+5) – (-6) =
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Remove disguises: +3-4-6+7+1 Group forces: -10+11 Who survived: +1
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. +3 + -4 – +6 + +7 – -1=
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Remove disguises: +2-3+9-7+1 Group forces: -10+12 Who survived: +2
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. 2 + (-3) – (-9) – (+7)+ (+1) =
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Remove disguises: +3+5-4-2+8 Group forces: +16-6 Who survived: +10
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. 3 – -5 + -4 – +2 + +8=
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Remove disguises: -10-20+30-40 Group forces: -70+30 Who survived: -40
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LEVEL 4 1) Remove disguises 2) Group forces 3) Who survived? Use paper and pencil to write out each step. (-10) – (+20) – (-30) + (-40)=