Grade 2 - Unit 1_Math

Which addend makes both of these number sentences true?

+ 3 = 11 3+ = 11

• 6

• 7

• 8

• 9

Tags

CCSS.1.OA.A.1

Zara found 5 + 7 = 12 by counting. Which shows how Mark may have done this?

• Start at 5.

  Count on 5.

• Start at 5.

  Count on 7.

• Start at 7.

  Count on 5.

• Start at 7.

  Count back 5.

Tags

CCSS.1.OA.C.6

Ezra used an addition fact to solve 12- 4 =?

Which addition fact did he use?

• 4+ 8 = 12

• 5 + 7 = 12

• 6 +6 = 12

• 4 + 6 = 10

Which of these number sentences are false?

• 4 + 5 = 8

• 4 = 6 -2

• 8 -4 = 3

• 12 = 7 +4

Tags

CCSS.1.OA.B.3

Jamiy has 6 blue buttons, 8 green buttons, and 4 brown buttons.

How many buttons does he have in all?

• 17

• 18

• 19

• 20

Tags

CCSS.2.OA.A.1

Erin started at 16 and counted back 7.

Which shows the problem Erin solved?

• 16- 7 = 9

• 16+ 7 = 23

• 7+ 9 = 16

• 21 - 7 = 16

Tags

CCSS.1.OA.C.6

Which shows 10 more and 10 less than 63?

• 60, 66

• 53, 73

• 75, 86

• 56, 68

Tags

CCSS.1.NBT.C.5

You have 18 cupcakes. How could you split 18 cupcakes into two groups with the same number of cupcakes each?

• 7+ 7

• 7+ 8

• 9 +9

• 8+8

Tags

CCSS.2.OA.C.4

You have 2 apples. How could you split 2 apples into two groups with the same number of apples each?

• 2 + 2

• 1 + 1

• 2 + 1

• 1 + 2

Tags

CCSS.1.OA.A.1

At lunch, the students were seated in 4

rows. There were 3 students in each row.

Enter the number of total students.

• 7

• 8

• 12

• 9

Tags

CCSS.2.OA.C.4