Mathematics Grade 1 15 min

Adding 5

Adding 5

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Introduction & Learning Objectives

Learning Objectives Add 5 to any number from 0 to 15. Use their fingers to count on by 5. Solve simple word problems involving adding 5. Show 'adding 5' by making 5 jumps on a number line. Draw pictures to represent an 'add 5' problem. Write an addition sentence for an 'add 5' problem. You have one whole hand with 5 fingers! 🖐️ What happens when we add those 5 fingers to a pile of toys? Today, we will learn a super skill: adding the number 5. This is a fun trick to make you a math whiz! We will use counting, drawing, and games to practice. Real-World Applications A nickel is 5 cents. You can add 5 to count your money! 🪙 A starfish has 5 arms. You can count starfish arms. ⭐ Clocks have 5-minute marks. Adding 5 helps you tell time. 🕒...
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Key Concepts & Vocabulary

TermDefinitionExample Add (+)To join two groups of things together. We use the plus sign for this.3 apples 🍎 + 5 apples 🍎 = a bigger group of apples. SumThe total number you get after you add. It's the answer!In 4 + 5 = 9, the number 9 is the sum. Equals (=)This sign means 'is the same as'. It shows us the answer.6 + 5 is the same as 11. So, 6 + 5 = 11. Counting OnA way to add by starting with one number and counting up.For 8 + 5, you start at 8 and count five more: 9, 10, 11, 12, 13. Number LineA line with numbers on it in order. It helps us see addition.To find 2 + 5, start at 2 and make 5 jumps to the right. You land on 7! 🐸
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Core Formulas

The Adding 5 Rule n + 5 = sum This shows we take a number (n) and add 5 to it to get a new total. The Counting On Pattern n \rightarrow n+1 \rightarrow n+2 \rightarrow n+3 \rightarrow n+4 \rightarrow n+5 Start with your number. Then, count up five times to find the answer.

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Sample Practice Questions

Challenging
I am thinking of a number. When I add 5 to my number, the answer is 15. What is my number?
A.5
B.10
C.20
D.1
Challenging
Start at the number 4. Add 5. Then, add 5 again. What number are you on?
A.14
B.13
C.9
D.15
Challenging
Maria has 12 cents. She finds a nickel. A nickel is worth 5 cents. How much money does she have now?
A.15 cents
B.16 cents
C.18 cents
D.17 cents

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