Addition and Subtraction Word Problems

This video tutorial covers the concept of two-digit addition, focusing on both scenarios where regrouping is necessary and where it is not. It provides step-by-step examples, including visual aids, to help students understand the process of adding numbers and regrouping tens. The tutorial also includes word problems to apply these skills in practical situations and explores different combinations of numbers that sum to a given total. The lesson concludes with a brief introduction to the next topic in the series.

What is the result of adding 18 and 16 using regrouping?

• 38

• 36

• 34

• 32

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Why is it important to add the ones column first in two-digit addition?

• To avoid errors in the tens column

• To simplify the addition

• To make the process faster

• To ensure the sum is always correct

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

When adding 54 and 13, do we need to regroup?

• No, because the sum of the tens is less than 10

• Yes, because the sum of the ones is more than 10

• No, because the sum of the ones is less than 10

• Yes, because the sum of the tens is more than 10

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example of 38 plus 19, what is the sum after regrouping?

• 55

• 59

• 47

• 57

Tags

CCSS.1.NBT.C.5

How many more seashells do Tala and Sophia need to collect to reach 100?

• 15

• 10

• 20

• 5

Tags

CCSS.2.NBT.B.6

Mr. Kim has planted 28 red tulips and 22 yellow tulips. How many more does he need to plant to reach 100?

• 40

• 60

• 50

• 70

Tags

CCSS.1.NBT.B.3

If Lisa and Sarah read a total of 30 pages, and each read more than 10 pages, what is one possible combination of pages read?

• 12 and 18

• 9 and 21

• 11 and 19

• 10 and 20

Tags

CCSS.2.OA.A.1

If one child read 13 pages, how many pages did the other child read to make a total of 30?

• 16

• 17

• 15

• 18

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 14 and 16, given that both numbers are greater than 10?

• 28

• 29

• 30

• 31

Tags

CCSS.3.OA.A.3

If both children read the same number of pages, what is the number of pages each read to make a total of 30?

• 14

• 17

• 16

• 15

Tags

CCSS.3.OA.A.3