Addition Strategies and Word Problems

This video tutorial covers various strategies for teaching second-grade math, focusing on addition. It introduces the partial sums method, regrouping, and adding multiple numbers. The tutorial also demonstrates how to line up numbers for addition and solve problems using models and diagrams. The lesson aims to prepare students for an upcoming assessment by reviewing these key strategies.

What is the main purpose of this review session?

• To introduce new math topics

• To learn about science

• To prepare for an upcoming assessment

• To practice reading skills

When using partial sums, what is the first step in adding 46 and 37?

• Add the ones

• Subtract the tens

• Add the tens

• Multiply the numbers

In the example of adding 46 and 37 using partial sums, what is the sum of the tens?

• 90

• 70

• 60

• 80

What is the sum of the ones when adding 46 and 37 using partial sums?

• 14

• 13

• 12

• 11

What is the final sum of 46 and 37 using partial sums?

• 93

• 83

• 73

• 103

How many groups of ten are there in the example of adding 30 and 50?

• 8

• 5

• 3

• 10

What is the sum of 29 and 63 using the alternative partial sums method?

• 112

• 102

• 92

• 82

In the regrouping strategy, what is the sum of 28 and 34?

• 72

• 82

• 52

• 62

How many ones are left after regrouping 28 and 34?

• 2

• 1

• 0

• 3

What is the sum of 45 and 29 when lining up tens and ones?

• 94

• 64

• 74

• 84