Mathematics 2

# Surf for More Math

## Lesson 1 – Estimating Quantities

Use these interactive games and activities to encourage your child to have fun on the Web while learning about estimating quantities.

### Goal

Estimate and count quantities using 10s and 1s.

Model and describe numbers.

### Instructions for Use

How Many Shapes Were There? lets your child estimate and count quantities.

To use How Many Shapes Were There?, click on the "Go" button and count the shapes on the screen. Input the answer in the text box. Then click the "Guess" button. Click the "Next" button to view the next number of shapes.

Tens And Ones Mini-Lesson has your child watch an animation that models the relationship between tens and ones.

To use Tens And Ones Mini-Lesson, watch the animation. Click the "Next" button to view a different number.

Tens And Ones Exercise lets your child practice visualizing tens and ones.

To use Tens And Ones Exercise, have students enter the 2-digit number described by the graphic. A sun appears in the text box when you enter the correct answer. A storm cloud appears if you enter an incorrect answer. Click the "Next" button for the next graphic.