Mathematics
Grade 1
15 min
Adding 2
Adding 2
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Add 2 to any number from 0 to 18.
Use a number line to show adding 2.
Draw pictures to solve 'plus 2' problems.
Count on two more from a given number.
Recognize that adding 2 is like making two jumps forward.
Quickly recall the answer to single-digit plus two facts.
You have 5 yummy cookies 🍪. What if a friend gives you 2 more? Let's find out how many you have!
Today, we will learn a super trick for adding the number 2. It's like taking two hops forward on a path. This helps us count things much faster!
Real-World Applications
Getting 2 more stickers for your collection ✨.
Adding 2 more blocks to your tower 🧱.
Seeing 2 more puppies join their friends 🐶.
Putting 2 more crayons in the box 🖍️.
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Key Concepts & Vocabulary
TermDefinitionExample
Add (+)To join two groups of things together.3 balls ⚽⚽⚽ and 2 balls ⚽⚽ make 5 balls.
SumThe answer you get when you add numbers.In 4 + 2 = 6, the number 6 is the sum.
Equals (=)This sign means 'is the same as'.The total on the left is the same as the total on the right.
Counting OnStarting from a number and counting up from there.For 5 + 2, you say 'five...' then count 'six, seven'.
Number LineA line with numbers in order, like a ruler.You can use it to hop forward when you add.
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Core Formulas
The 'Plus 2' Rule
n + 2
This means we take any number (n) and add two more to it.
The 'Two Hops' Rule
n \rightarrow n+1 \rightarrow n+2
Start at your number. Hop to the next number, then hop again.
4 more steps in this tutorial
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Challenging
What is 2 more than the number that is 1 ten and 5 ones?
A.16
B.17
C.18
D.15
Challenging
Leo wants to collect 15 toy cars. He has 11 cars. His grandma gives him 2 more. How many more cars does he still need to reach his goal?
A.4
B.3
C.1
D.2
Challenging
A number pattern starts at 4. The rule is 'add 2' each time. What is the FOURTH number in the pattern?
A.10
B.8
C.12
D.6
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