Videos and solutions to help Grade 2 students learn how to relate 1 more, 1 less, 10 more, and 10 less to addition and subtraction of 1 and 10.

Common Core Standards: 2.NBT.2, 2.NBT.1, 2.NBT.3, 2.MD.8

Related Topics:

Common
Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math
Video Lessons, Math Worksheets and Games for Grade 2

Common Core
Math Video Lessons, Math Worksheets and Games for all grades

Lesson 1 Problem Set

4. Complete each statement to show mental math using the arrow way.

c. 48 → __ 68 → __ → __ → __

5. Complete each sequence.

a. 45 → __ → __ → __ → __ → __

b. 61 → __ → __ → __ → __ → __

Lesson 1 Homework

4. Below is a chart of balloons at the county fair.

a. Use the following to complete the chart and answer the question.

• The fair has 1 more blue than red balloons.

• There are 10 fewer pink than yellow balloons.

• Are there more blue or pink balloons?

b. If 1 red balloon pops and 10 red balloons fly away, how many red balloons are
left? Use the arrow way to show your work.

Lesson 1 Homework

2. Complete each pattern and write the rule.

a. 44, 45, ____, ____, 48 Rule: ________________

b. 44, ____, 24, ____, 4 Rule: _________________