Curriculum>Grade 1> Module 6>Topic A: Numbers to 120

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Adding pairs of two digit numbers will be the focus of this activity. Some problems involve the use of turnaround facts. If you answer a question wrong, you will use base 10 number cubes to help get the question correct

A. Determine a missing round number to 100 on a number line and identify its written name

B. Position round numbers, in both digits and words, on a vertical number line

C. Determine 2-digit totals based on base-10 blocks and place value cards

D. Determine 2-digit totals of objects in ten-frames or base-10 blocks

E. Determine totals by counting objects with or without filling ten-frames

F. Represent a given two-digit number with base-10 blocks

G. Identify 2-digit round numbers

H. Decompose 2-digit numbers into a round number plus ones

I. Determine 2-digit totals of base-10 blocks by counting tens and ones

J. Determine totals by counting tens and ones using scattered and dissimilar objects in ten-frames

K. Decompose 2-digit numbers into tens and ones with and without a model of base-10 blocks

L. Solve +/- 1 and +/- 10 equations with and without a model of base-10 blocks

M. Count forward and backward within a ten on a number line

N. Align a scattered set of numbered, non-sequential objects in ascending order

O. Align a scattered set of numbered, non-sequential objects in descending order

P. Compare 2-digit totals with a set of 10, 5, and 1 coins

Q. Identify missing numbers on a hundred chart

R. Identify 10 less, 10 more, 1 less, and 1 more on a hundred chart with limited numbering

S. Adding round numbers using blocks and bars

T. Addition and subtraction of round numbers

V. Solve equations that add or subtract a round number using a hundred chart

W. Identify missing numbers in columns on a hundred chart with limited numbering

X. Identify 1 more and 10 more on a hundred chart with limited numbering

Y. Complete and solve equations that add or subtract a round number using a hundred chart

Z. Identify missing numbers on a hundred chart and decompose into tens and ones

AA. Count forward across 100 and beyond 100 on a number line

AB. Count backward across 100 and beyond 100 on a number line

AC. Identify a missing three-digit number on a number line and its written name

AD. Determine totals of objects in ten-frames beyond 100

AE. Count base-10 rods beyond 100

AF. Determine totals beyond 100 using a base-10 flat, rods, and cubes

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