Common Core Math K-6

Grade 1

Kindergarten Grade 2 Grade 3 Grade 4 Grade 5 Grade 6

Numbers and Operations in base 10 / Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20

Find Wrong Num in Sequence to 40

Find Wrong Number in Sequence to 80

Find Wrong Number in Sequence to 120

Enter to 6 missing numbers to 80-120 help

Enter 5-6 missing numbers to 120 groups of 10 help

Count & Find Missing Number to 40

Find Wrong Number in Sequence to 100

Drag to Count 80 to 120 by dragging numbers

Select to 6 missing numbers 100-120 groups of 10 some help

Enter 6 missing numbers to 120 groups of 9

Find Wrong Number in Sequence to 50

Drag to count numbers 60 to 100

Count 10 numbers between 60 - 100

Enter to 6 missing numbers to 110 groups of 10 help

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