Basic Addition and Subtraction Problems

The video tutorial covers a second-grade math assessment, focusing on addition problems. It includes solving problems with beads, stones, dolphins, shells, tablets, medals, and marbles. The tutorial explores different addition methods, regrouping, and matching addends. It emphasizes understanding when to regroup and using various strategies to solve problems effectively.

What is the main focus of the second grade math assessment?

• Multiplication and division

• Fractions and decimals

• Addition and subtraction

• Geometry and shapes

How many beads does Kelly have after her sister gives her more?

• 46

• 28

• 56

• 74

Which of the following is NOT a correct method to solve 45 + 38?

• 83

• 93

• 70 + 13

• 40 + 30 + 5 + 8

When do you need to regroup in addition?

• When the sum of hundreds place is 10 or larger

• When the sum of tens place is 10 or larger

• When the sum of ones place is 10 or larger

• When the sum of ones place is 9 or under

Which addition problem requires regrouping?

• 4 + 3

• 0 + 9

• 2 + 2

• 4 + 8

How many stones does Ryan have after Joy gives him more?

• 15

• 57

• 42

• 72

What is the sum of 13 + 8 + 7?

• 32

• 25

• 30

• 28

How many shells does Faith have left after giving some away?

• 42

• 32

• 23

• 19

What is the total sum found in the problem-solving section?

• 95

• 65

• 75

• 85

How many tablets does Miss Wise have left after giving them to students?

• 21

• 20

• 0

• 1