Surf for More Math

Lesson 1 – Estimating Quantities

Use these interactive activities to encourage students to have fun on the Web while learning about estimating quantities. Students can try these activities on their own or in pairs.

Goal

Estimate and count quantities using 10s and 1s.

Model and describe numbers.

Instructions for Use

Tens And Ones Mini-Lesson has students 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 students 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.