How many connecting cubes long is the rectangle?

Jada has 16 red counters. She has 7 fewer yellow counters than red counters. How many yellow counters does she have? Show your thinking using drawings, numbers, or words.

1. Which rectangle is the longest?

2. Which rectangle is the shortest?

Find the value of each expression.

1. \(52 + 30\)

2. \(38 + 9\)

3. \(35 + 16\)

4. \(85 - 7\)

How many centimeters long is each rectangle?

1. 

2. 

Here is a rectangle.

1. How many centimeters long is the rectangle?
2. How many centimeters wide is the rectangle?

How many centimeters long is each side of the triangle? Label each side.

Here is a rectangle.

1. Estimate how many centimeters long the rectangle is.

   ____________ cm

2. Measure the rectangle. Record the measurement.

   ____________cm

3. How does your estimate compare to the actual length?

A python is a snake that grows up to 9 meters long.

1. What tool would you use to measure the length of a python? Show your thinking using drawings, numbers, or words.
2. Is the python longer or shorter than the other reptiles you measured?
3. Is the python longer or shorter than the adult alligator and the adult cobra together?

Andre’s snake is 85 centimeters long. His lizard is 28 centimeters in length. How many centimeters longer is Andre’s snake than his lizard? Show your thinking using drawings, numbers, or words.

1. Which rectangle do you think is longer?
2. Check your estimate with a centimeter ruler.

1. Look for objects in the classroom that are about 1 centimeter long. Measure them. How close are they to 1 centimeter?
2. Look for objects in the classroom that look about 1 meter long. Measure them. How close are they to 1 meter?