How many dots do you see?

Select 3 correct equations.

1. Noah and Lin have 13 crayons. Can they share all of them equally with no leftovers? Show your thinking using drawings, numbers, or words.

2. Noah and Lin have 16 colored pencils. Can they share all of them equally with no leftovers? Show your thinking using drawings, numbers, or words.

Mai plans a dance. She wants everyone to dance in pairs. For each number of students, decide if everyone can dance with a partner. Show your thinking using drawings, numbers, or words.

1. 14
2. 17
3. 18

For each image, decide if the number of dots is even or odd. Show your thinking using drawings, numbers, or words.

Decide if each number is even or odd. If it is even, write the number as a sum of 2 equal addends.

1. 12
2. 15
3. 18

Does each expression represent an even number or an odd number? Show your thinking using drawings, numbers, or words.

1. \(5 + 5\)

2. \(6 + 6 + 1\)

3. \(10 + 10\)

This design is called the “flower of life.”

It is made of shapes that look like this.

1. Is the number of these shapes in the design even or odd? Show your thinking using drawings, numbers, or words.
2. How many of the shapes are in the design? Show your thinking using drawings, numbers, or words.

Look around the classroom for groups of objects. Without counting, how do you know that a group has an even number of objects? Explain your reasoning.