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Understanding Addition and Re-grouping

Understanding Addition and Re-grouping

Assessment

Interactive Video

•

Mathematics

•

1st - 3rd Grade

•

Practice Problem

•

Hard

•
CCSS
2.NBT.B.7, 1.NBT.C.4, 1.OA.A.1

+3

Standards-aligned

Created by

Liam Anderson

FREE Resource

Standards-aligned

CCSS.2.NBT.B.7
,
CCSS.1.NBT.C.4
,
CCSS.1.OA.A.1
CCSS.3.OA.D.9
,
CCSS.3.NBT.A.2
,
CCSS.2.NBT.B.5
,
The video tutorial provides a review of adding two-digit numbers, focusing on sums involving three to four numbers. It demonstrates solving two problems using re-grouping techniques, emphasizing the importance of starting with the units position and re-grouping tens. The tutorial concludes with a reminder to always account for re-grouped numbers.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What types of sums are being reviewed in this lesson?

Sums of four-digit numbers

Sums of three-digit numbers

Sums of two-digit numbers

Sums of single-digit numbers

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the sum 16 + 12 + 24?

Add the units place first

Multiply the numbers

Add the tens place first

Subtract the smaller number

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the units place in 16 + 12 + 24?

12

16

10

14

Tags

CCSS.2.NBT.B.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you do with the number 1 after summing the units place in 16 + 12 + 24?

Ignore it

Multiply it by 2

Add it to the tens place

Subtract it from the total

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final sum of 16 + 12 + 24?

62

42

52

72

Tags

CCSS.1.OA.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many numbers are being added in the second sum?

Five

Four

Three

Two

Tags

CCSS.3.OA.D.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the units place in 1 + 3 + 3 + 6?

12

11

10

13

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