Let's solve each word problem step by step and explain the solution.
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1. Tommy has 15 red marbles and 3 blue marbles. How many marbles does he have in total?
Solution:
To find the total number of marbles, we add the red marbles and the blue marbles together:
$$
15 \text{ (red)} + 3 \text{ (blue)} = 18 \text{ marbles}
$$
✔ Answer: Tommy has
18 marbles in total.
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2. Lisa has 9 stickers, and her friend gave her 4 more. How many stickers does Lisa have now?
Solution:
Lisa originally had 9 stickers. Her friend gave her 4 more, so we add:
$$
9 + 4 = 13
$$
✔ Answer: Lisa now has
13 stickers.
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3. There are 12 apples on the tree, and 5 of them fell to the ground. How many apples are left on the tree?
Solution:
We start with 12 apples and subtract the 5 that fell:
$$
12 - 5 = 7
$$
✔ Answer: There are
7 apples left on the tree.
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4. Sita had 8 crayons, and she gave 3 of them to her friend. How many crayons does she have now?
Solution:
Sita started with 8 crayons and gave away 3, so we subtract:
$$
8 - 3 = 5
$$
✔ Answer: Sita now has
5 crayons.
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✔ Final Answers:
1.
18 marbles
2.
13 stickers
3.
7 apples
4.
5 crayons
These problems involve basic addition and subtraction, which are foundational arithmetic skills. Each one requires identifying whether to add (when something is gained) or subtract (when something is lost or given away).
Parent Tip: Review the logic above to help your child master the concept of first grade word problems worksheet.