Zig Zag Addition & Subtraction
20 + 17 + 47 + 27
111
Cave A = -7°C, Cave B = -3°C. Which is warmer?
Cave B
You mined 575 emeralds. You want to share them equally among 9 villagers. If 5 emeralds break during distribution, how many does each villager finally get?
63 remaining 3
(50 + 30) ÷ 2 + (6 x 2)
52
Does the associative property work for subtraction?
associativity doesn't work.
439 + 259
698
Your health meter is at –5 (poisoned). You drink a healing potion of +12 and then fall into a trap losing 8 points. Later, you find another potion that reverses –4 health points. What is your final health meter?
3 health points
Each pickaxe requires 8 iron ingots. You want to craft 136 pickaxes. How many iron ingots do you need? If you find 150 extra iron ingots, how many pickaxes can you craft in total?
288 ingots initially, 438 ingots total; and 54 pickaxes with extras.
(28 + 8) ÷ (4 − 2) × 5
90
Is (3 + 2) + 5 the same as 3 + (2 + 5)? Which property of addition proves it?
Both equal 10,
Associative Property of Addition.
89 - 16 - 30 - 15
28
You are battling mobs!
You gain +12 XP from defeating a player but then lose 20 XP after being hit by another player.
What is your total XP change after the battle?
-8 XP
You’ve entered a dangerous mine full of surprises—and every step affects your health. You step on a cursed stone that multiplies your damage by –3 × –150. Then, you drink a weak potion that multiplies your healing by 2 × –125. Finally, You defeat a monster that multiplies your reward by –4 × –50. What is the total change in your health after all three events?
400 health points
You are brewing a powerful potion.
You mix ingredients: (12 × 3) – 6 ÷ 2. Then multiplying the result by 2 and subtracting 5.
What is the final magic value of your potion?
[{(12 × 3) − 6 ÷ 2} x 2]-5 = 61
You need (12 + 10) x 9 blocks for each tower. You are building 3 towers. How many blocks are needed in total? How can you use the distributive property to simplify the calculation?
594 blocks
984 + 743 - 100 - 75
952
You battle a player. You gain 124 XP from a treasure chest, lose 13 XP from lava, gain 16 XP from a Blaze, and lose 22 XP from Ghast fireballs. Find your total XP changes.
105 XP
You are building armor for your Minecraft team. Each armor set requires 6,324 iron ingots, and you want to craft 6 sets. After crafting, you find 45,872 iron ingots left in your inventory and decide to share them equally among 8 team members.
Question:
How many iron ingots does Alex need to craft the armor?
How many iron ingots does each team member get from the leftover inventory?
37,944 iron ingots needed for armor
Each team member 5,734 gets iron ingots
You start with 25 items, each costing $8 to move. Then you add 5 more at the same cost. You split the total cost evenly between 8 teams.
Use PEMDAS to figure out how much each team pays.
[(25 × 8) + (5 × 8)] ÷ 8 = $30 per team
Does changing the order in 6 + 4 or 4 + 6 affect the total? Which property of addition explains your answer?
Commutative Property of Addition