Mental maths

Add 8, 9 and 4

• 17

• 20

• 21

• 25

Tags

CCSS.2.NBT.B.6

17 take away 8

• 9

• 10

• 11

• 12

Tags

CCSS.2.OA.A.1

Which is the missing number: 7 + ___ = 20

• 10

• 12

• 13

• 14

Tags

CCSS.1.OA.D.8

75 subtract 40

• 30

• 35

• 40

• 45

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Write the next number in the sequence: 18, 27, 36 ...

• 9
• 45
• 63
• 54

Tags

CCSS.2.NBT.A.2

What is the next multiple of 10 after 77?

• 70
• 80
• 100
• 87

35+40=

• 75
• 80
• 85
• 90

Tags

CCSS.2.NBT.B.5

25+30=

• 45
• 50
• 40
• 55

Tags

CCSS.2.NBT.B.5

What must be added to seventy-five to make one hundred?

• 30

• 15

• 25

Tags

CCSS.1.NBT.C.5

What is thirteen thousand and seventy three in digits?

• 13,073
• 13,037
• 31,073
• 31,037

Tags

CCSS.4.NBT.A.2