10 more 10 less is an add and subtract by 10s bingo game. It has three levels to align with common core math standards.
The basic problems for each level include solving an equation that adds or subtracts 10. The Level 2 and Level 3 games include challenge problems that require student to add and subtract multiples of 10. Example problems:
10 more than 16
10 bingo cards are provided for each level. A blank bingo card is also included so that the children can create their own bingo cards. This may be necessary if you want to play as a whole class.
CCSS.Math.Content.1.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used
CCSS.Math.Content.1.NBT.C.4 Add within 100, adding a two-digit number and a multiple of 10.
CCSS.Math.Content.1.NBT.C.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences),
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Mrs. Orman's Classroom