A set of dominoes to use in the classroom when matching friends of 30.
Use this teaching resource during numeracy group activities to help students identify the different number combinations that make 30.
Print, cut and laminate a class set of the dominoes and store in a zip-loc bag.
Individually, or in small groups, students connect the dominoes by matching two numbers that make 30. For example, 2 + 28, 5+ 25, 26 +4.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - ...
Apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10;
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