Race to 200

Other lessons from Unit 2 in Grade 2 by Massachusetts Department of Elementary and Secondary Education

Next Lesson

Unit 2, Lesson 2

Race to 0

60 min(s)

Massachusetts Department of Elementary and Secondary Education

Other lessons similar to this one

Unit 4, Lesson 6

Use manipulatives to represent the composition of 10 ones as 1 ten with two-digit addends

60 min(s)

Unit 1, Lesson 2

Counting by 10s

54 min(s)

North Carolina Department of Public Instruction

1 Content Standard is aligned with this lesson

2.NBT.B.7

Major StandardsSupporting StandardsAdditional Standards

Standard 2.NBT.B.7

Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

Part of Major Cluster 2.NBT.B

4 Math Practice Standards are aligned with this lesson

Standard MP.4

Model with mathematics.

Standard MP.6

Attend to precision.

Standard MP.7

Look for and make use of structure.

Standard MP.8

Look for and express regularity in repeated reasoning.

Prerequisites for 2.NBT.B.7

2nd Grade

2.NBT.A.1

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

2.NBT.A.1.A

100 can be thought of as a bundle of ten tens - called a "hundred."

2.NBT.A.1.B

The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

Upcoming Standards for 2.NBT.B.7

2nd Grade

2.NBT.B.6

Add up to four two-digit numbers using strategies based on place value and properties of operations.

3rd Grade

3.NBT.A.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Strategies for Students With Learning Differences

The Understood offers evidence-based strategies that benefit all students, especially those with learning differences and attention issues.

There are no comments for this item.

Unit 2, Lesson 1