Adding 2-digit Numbers

What equation shows a way to solve 27 + 38?

• 20 + 70 + 30 + 80

• 20 + 7 + 30 + 8

• 2 + 7 + 3 + 8

Tags

CCSS.1.NBT.C.4

CCSS.1.OA.B.3

Mr. Diaz has 49 red blocks and 33 blue blocks on a table. He asks his class to find the total number of blocks. Which equation shows a way to find 49 + 33?

• 40 + 30 + 9 + 3

• 4 + 9 + 3 + 3

• 40 + 90 + 30 + 30

Tags

CCSS.1.NBT.C.4

CCSS.1.OA.A.1

What is that result of that equation?

• 67

• 68

• 69

• 60

Tags

CCSS.1.NBT.C.4

CCSS.1.OA.D.7

How many tens and ones are there?

• 3 tens and 5 ones

• 4 tens and 10 ones

• 3 tens and 12 ones

• 5 tens and 7 ones

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.B.3

There are 100 ones in 1 hundred

• True

• False

Tags

CCSS.1.NBT.B.2

CCSS.1.OA.D.7

How many ones are in a ten?

• 100

• 0

• 10

• 1

Tags

CCSS.1.NBT.B.2

26 is equal to

• 200 + 60

• 20 + 6

• 60 + 2

• 22 + 66

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4

CCSS.1.OA.D.7

56 is equal to

• 50+8

• 50+6

• 60+4

• 60+6

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4

CCSS.1.OA.D.7

106 is equal to

• 100+6

• 12+8

• 106+6

• 100+4

Tags

CCSS.1.NBT.C.4

CCSS.1.OA.D.7

76 is equal to

• 70+6

• 70=5

• 700+6

• 7000+6

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4