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Grade 4 Math
Unit 3: Developing Multiplication and Division Activity 1: Talking Calculators (GLEs: 3, 4)
CC: Have students use calculators to find multiples of 2 by pressing + 2 = . Have them record the number on the display bar. Have students continue to hit the = button for 20 more times, each time recording the number in the display bar. Have them look at the numbers they recorded and make observations. (Possible answers: All the numbers are even. Every number ends in either a 2, 4, 6, 8, or 0 when counting by 2?s.) After all observations are made, have students try larger numbers that are even and divide them by 2 on the calculator. Help them discover that all even numbers are divisible by 2. Repeat this activity for, + 10 = , and + 13 = .
Use MS Word to create a worksheet for this activity. Word template - "Multiplying & Dividing with Calculators"
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