Repeated addition

What is the repeated addition sentence for these COLUMNS?

• 1 + 1 + 1 + 1 = 4

• 2 + 2 = 4

• 1 +1 + 2 = 4

• 4 + 0 = 4

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

What is the repeated addition sentence for these ROWS?

• 3 + 4 = 7

• 3 + 3 + 3 + 3 = 12

• 4 + 4 + 4 = 12

• 8 + 4 = 12

Tags

CCSS.2.OA.C.4

2+2+2+2=

• 6

• 9

• 8

• 4

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.B.2

There are 3 groups of postcards. Each group has 2 postcards. What is the total number of postcards？

• 1+1+1= 3

• 2+2+2=6

• 3+3+3=9

• 4+4+4=12

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.A.1

CCSS.2.OA.B.2

CCSS.2.OA.C.4

There are 4 groups of bananas. Each group has 5 bananas. How many bananas are there altogether?

• 3+3+3+3=12

• 5+5+5+5=20

• 2+2+2+2=8

• 1+1+1+1= 4

Tags

CCSS.2.NBT.B.5

CCSS.2.OA.A.1

CCSS.2.OA.C.4

Columns go...

• up and down

• back and forth (left to right)

Tags

CCSS.2.G.A.2

True or False?

In arrays, rows go from left to right. (back and forth)

<------------>

• True

• False

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4

What is the repeated addition sentence for these ROWS?

• 5 + 4 = 9

• 3 + 3 + 3 = 9

• 6 + 3 = 9

• 1 + 8 = 9

Tags

CCSS.2.OA.C.4

What repeated addition goes along with this array? 

• 5+5+5+5+5+5+5+5
• 5+5+5+5
• 4+4+4+4+4+4+4
• 4+4+4

Tags

CCSS.2.OA.C.4

What array is this?

• 5 + 5 + 5 + 5 = 20

• 5 + 4 = 9

• 4 + 4 + 4 = 20

• 4 + 5 = 9

Tags

CCSS.2.G.A.2

CCSS.2.OA.C.4