lulu195 lulu195

27-01-2018
Mathematics

contestada

Chris used base-ten blocks to model 2,781. He used 278 tens blocks and some ones blocks. How many ones blocks did Chris use?

Respuesta :

mbag2767 mbag2767

27-01-2018

278 times 10=2780
2781 minus 2781=1

thus, he used 1 ones block

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