Math for Grade 1
1 Numbers and Counting
1-1 Counting from 1 to 10
1-2 Recognizing and writing numbers 1 to 10
1-3 Counting objects in groups
1-4 Comparing numbers using symbols (<, >, =)
2 Addition
2-1 Introduction to addition
2-2 Adding two single-digit numbers
2-3 Solving addition problems with pictures and objects
2-4 Addition word problems
3 Subtraction
3-1 Introduction to subtraction
3-2 Subtracting two single-digit numbers
3-3 Solving subtraction problems with pictures and objects
3-4 Subtraction word problems
4 Shapes and Patterns
4-1 Recognizing basic 2D shapes (circle, square, triangle, rectangle)
4-2 Identifying shapes in the environment
4-3 Creating simple patterns with shapes
4-4 Sorting objects by shape
5 Measurement
5-1 Comparing lengths and heights using non-standard units
5-2 Introduction to weight and volume
5-3 Comparing objects by weight and volume
5-4 Understanding the concept of time (morning, afternoon, evening)
6 Graphs and Data
6-1 Introduction to simple graphs (picture graphs)
6-2 Interpreting data from picture graphs
6-3 Creating simple picture graphs
6-4 Understanding the concept of more, less, and equal
7 Problem Solving
7-1 Solving problems using addition and subtraction
7-2 Identifying the correct operation (addition or subtraction)
7-3 Using objects and drawings to solve problems
7-4 Explaining the solution process
8 Number Sense
8-1 Understanding the concept of even and odd numbers
8-2 Recognizing and writing numbers 11 to 20
8-3 Counting by 2s, 5s, and 10s
8-4 Understanding place value (ones and tens)
9 Geometry
9-1 Recognizing basic 3D shapes (cube, sphere, cylinder, cone)
9-2 Identifying faces, edges, and vertices of 3D shapes
9-3 Sorting objects by 3D shape
9-4 Exploring symmetry in shapes
10 Money
10-1 Introduction to coins (penny, nickel, dime)
10-2 Identifying and counting coins
10-3 Simple money exchange problems
10-4 Understanding the value of money
Solving Addition Problems with Pictures and Objects

Solving Addition Problems with Pictures and Objects

Key Concepts

1. Understanding Addition

Addition is the process of combining two or more numbers to find their total. For example, if you have 2 apples and you add 3 more apples, you will have 5 apples in total.

2. Using Pictures and Objects

Using pictures and objects helps in visualizing the addition process. When you see the objects or pictures, it becomes easier to understand how the numbers combine to form a total.

3. One-to-One Correspondence

One-to-one correspondence means matching each object or picture to a number. This helps in counting the total number of items accurately.

Detailed Explanation

Example 1: Adding Apples

Imagine you have 2 apples:

🍎 🍎

Now, you add 3 more apples:

🍎 🍎 🍎

To find the total number of apples, you count all the apples together:

🍎 🍎 🍎 🍎 🍎

The total is 5 apples.

Example 2: Adding Stars

Let's add 2 stars and 3 stars:

⭐ ⭐

⭐ ⭐ ⭐

Count all the stars together:

⭐ ⭐ ⭐ ⭐ ⭐

The total is 5 stars.

Example 3: Adding Blocks

Suppose you have 2 blocks:

🟥 🟥

And you add 3 more blocks:

🟥 🟥 🟥

Count all the blocks together:

🟥 🟥 🟥 🟥 🟥

The total is 5 blocks.

Practical Application

To practice addition using pictures and objects, try the following steps:

  1. Draw or gather objects that represent the numbers you want to add.
  2. Place the objects or pictures in front of you.
  3. Count each set of objects separately.
  4. Combine the objects or pictures.
  5. Count the total number of objects or pictures together.

By using pictures and objects, you can visualize the addition process and understand how numbers combine to form a total.