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1-8 Math
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Addition and Subtraction
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Addition and Subtraction (up to 20): Knowledge-Based Questions
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Unit Challenge
Knowledge-Based Questions II
Overview
Understanding less/more than
Select the incorrect subtraction sentence numbers up to 20
Find the subtraction sentence by pattern numbers up to 20
Complete the subtraction sentence numbers up to 20
Select the related subtraction facts
Subtraction word problems - numbers up to 20
Addition and subtraction word problems- number up to 20
Addition and subtraction three and more numbers
Knowledge-Based Questions I
Overview
Understanding more than
Select the correct addition sentence
Select the incorrect addition sentence
Select the related addition fact
Complete the addition sentence (up to sum 20)
Knowledge-Based Questions I Select the related addition fact
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