Mental Math Ten More Ten Less

What is ten more than 135?

• 125

• 145

• 155

• 100

Tags

CCSS.2.NBT.B.8

What is 10 less than 145?

• 135

• 155

• 115

• 125

Tags

CCSS.2.NBT.B.8

What is ten more than 250?

• 250

• 150

• 260

• 240

Tags

CCSS.2.NBT.B.8

What is ten more than 360?

• 300

• 350

• 360

• 370

Tags

CCSS.2.NBT.B.8

ten more, ten less

​ ​ (a)  

45

​ (b)  

• 35

• 55

• 36

• 56

Tags

CCSS.1.NBT.C.5

ten more, ten less

​ ​ ​ (a)  

91

​ ​ ​ (b)  

• 81

• 71

• 61

• 101

Tags

CCSS.1.NBT.C.5

ten more, ten less

​ ​ ​ (a)  

45

​ ​ ​ (b)  

• 35

• 25

• 65

• 55

Tags

CCSS.1.NBT.C.5

What is Ten Less than 88?

Use the hundreds chart to help you

• 98

• 78

Tags

CCSS.1.NBT.C.5

choose the correct answer ten less

• 44

• 64

• 54

Tags

CCSS.1.NBT.C.5

Use Adding Ten to answer mentally

106 + 20 = ​ (a)  

57 - 10 = ​ (b)  

26 + 40 = ​ (c)  

763 + 400 = ​ (d)  

948 - 200 = ​ (e)  

• 126

• 47

• 66

• 1163

• 748

Tags

CCSS.1.NBT.C.5