Addition and Subtraction 2-digit numbers

43 rounded to the nearest ten is 40

• True

• False

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

. . . + 25 = 75

The missing number is 58

• True

• False

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

The different number between 79 and 55 is 24

• True

• False

Tags

CCSS.1.OA.A.1

The digit 8 is in tens place. Its value is ....

• 80

• 8

• 88

Tags

CCSS.4.NBT.A.1

What is the missing number?

• 71

• 72

• 73

Tags

CCSS.1.NBT.A.1

The value of 65 + 24 is . . .

• 51

• 89

• 99

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

87 is smaller than 78

• True

• False

Tags

CCSS.1.NBT.B.3

5 less than 55 is ....

• 50

• 40

• 30

Tags

CCSS.1.OA.A.1

17 and 4 make 20

• True

• False

Tags

CCSS.1.OA.A.1

83 is .... than 38

• smaller

• greater

• equals

Tags

CCSS.1.NBT.B.3