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Step 1: Start with 20 balloons.
Step 2: Some balloons go away (pop).
Step 3: The question asks, “How many are left?”
Step 4: When something goes away, we subtract.
Leads to equation: 20 – 8 = ?
Step 1: There are 6 baskets.
Step 2: Each basket has the same number (5 apples).
Step 3: The question asks, “How many in all?”
Step 4: When we join equal groups, we multiply.
Leads to equation: 6 × 5 = ?
Step 1: There are 36 pencils total.
Step 2: You are sharing them equally.
Step 3: The question asks, “How many for each?”
Step 4: When we split things equally, we divide.
Leads to equation: 36 ÷ 9 = ?
Step 1: Ana has 12, Luis has 7.
Step 2: The problem asks, “How many more?”
Step 3: To compare two amounts, we find the difference.
Step 4: To find the difference, we subtract.
Leads to equation: 12 – 7 = ?
Step 1: They collect 4 cans each day.
Step 2: They do this for 7 days.
Step 3: The question asks, “How many in all?”
Step 4: Repeated equal groups mean multiplication.
Leads to equation: 7 × 4 = ?
Step 1: There are 5 red marbles.
Step 2: There are 7 blue marbles.
Step 3: The question asks, “How many in all?”
Step 4: Putting groups together means addition.
Leads to equation: 5 + 7 = ?
Step 1: There are 40 chairs total.
Step 2: Each table must have 8 chairs.
Step 3: The question asks, “How many tables can be set up with chairs?”
Step 4: This means splitting 40 into equal groups of 8.
Step 5: Splitting into equal groups means division.
Leads to equation: 40 ÷ 8 = ?
Step 1: You have 15 candies.
Step 2: You eat 6 candies.
Step 3: The question asks, “How many are left?”
Step 4: When some are taken away, we subtract.
Leads to equation: 15 – 6 = ?
Step 1: There are 3 trays.
Step 2: Each tray has the same number (12 cookies).
Step 3: The question asks, “How many in all?”
Step 4: Equal groups mean multiplication.
Leads to equation: 3 × 12 = ?
Step 1: There are 12 cages.
Step 2: Each cage has the same number (3 birds).
Step 3: The question asks, “How many in all?”
Step 4: Equal groups mean multiplication.
Leads to equation: 12 × 3 = ?
Step 1: There are 64 carrots in total.
Step 2: The carrots are being separated evenly into baskets.
Step 3: The question asks, “How many in each basket?”
Step 4: Splitting into equal groups means division.
Leads to equation: 64 ÷ baskets = ?
Step 1: Emma has 14, Mia has 9.
Step 2: The question asks for the “difference.”
Step 3: Difference means comparing two amounts.
Step 4: To compare, we subtract. Also the subtraction sentence is "minuend - subtrahened = difference"
Leads to equation: 14 – 9 = ?
Step 1: Start with 25 chairs.
Step 2: Add 10 more chairs.
Step 3: The question asks for the “total.”
Step 4: Total means putting together, so we add.
Leads to equation: 25 + 10 = ?
Step 1: Each box has 8 pencils.
Step 2: There are 12 boxes with the same amount.
Step 3: The question asks, “How many altogether?”
Step 4: Equal groups joined together means multiplication.
Leads to equation: 12 × 8 = ?
Step 1: First team = 24 points.
Step 2: Second team = 17 points.
Step 3: The question asks, “How many more?”
Step 4: “How many more” means we compare, so we subtract.
Leads to equation: 24 – 17 = ?
Step 1: Rope length = 36 meters.
Step 2: It is cut (splitting) into equal pieces of 6 meters each.
Step 3: The question asks, “How many pieces?”
Step 4: Splitting into equal parts means division.
Leads to equation: 36 ÷ 6 = ?
Step 1: The toy costs $12.
Step 2: The bicycle is 5 times more.
Step 3: “Times as much” means repeated groups.
Step 4: Repeated groups means multiplication.
Leads to equation: 12 × 5 = ?
Step 1: Monday = 150 tickets.
Step 2: Tuesday = 125 tickets.
Step 3: The question asks, “How many in all?”
Step 4: “In all” means put together, so we add.
Leads to equation: 150 + 125 = ?
Step 1: Total = 72 eggs.
Step 2: Each carton holds 12 eggs.
Step 3: The question asks, “How many cartons?”
Step 4: Splitting into equal groups means division.
Leads to equation: 72 ÷ 12 = ?
Step 1: Each day = 9 kilometers.
Step 2: He runs for 4 days.
Step 3: The question asks for the “total.”
Step 4: Repeated equal groups mean multiplication.
Leads to equation: 9 × 4 = ?
Photosynthesis vs Cellular Respiration - Practice Quiz