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Mario has 5 identical unsharpened pencils. He placed 3 of these pencils end to end. The length of the 3 pencils was 57 centimeters. If he adds 2 more of these pencils what will be the total length of the 5 pencils? 62 centimeters 95 centimeters 0 171 centimeters O 285 centimeters plsss help noww​

Sagot :

Answer:The purpose of this task is to support students' reasoning based on place value to multiply a single digit number by a multiple of 10. This reasoning builds on and supports knowledge described in 2.NBT.A.1, 3.OA.A.1, and 3.OA.B.5. If used in an instructional setting, students might benefit from having access to base-ten blocks. Students should also be encouraged to use a number line marked with tens. An empty number line is an excellent tool that helps students who are ready to develop a more abstract understanding of place value but are not yet ready for a purely symbolic solution approach.

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