unit 4 test

Jill has 58 stickers.

Her brother gives her 27 more stickers.

How many stickers does Jill have now?

• 31

• 63

• 75

• 85

Answer explanation

use paper if you need it for the test.

Which are equal to 54 + 38?

Choose all that apply.

• 50+30+4+8

• 80+12

• 82

• 92

Is the sum Equal to 73?

Choose yse or no

68 + 5

• yes

• no

Is the sum Equal to 73?

Choose yse or no

40 + 30

• yes

• no

Is the sum Equal to 73?

Choose yse or no

67 + 7

• yes

• no

Is the sum Equal to 73?

Choose yse or no

58 + 15

• yes

• no

Find 35 +14 using partial sums.

Which is the best estimate of the sum?​ (a)  

Which equation shows using ​partial sums to solve? ​ (b)  

• 50
• 30 +10 + 5 + 4 =49
• 30
• 40
• 60
• 30 + 10 + 5 + 4 =59
• 35 + 10 + 4 = 59

which is the sum of 42 + 28 =

• 71

• 70

• 68

• 60

Add. Use the place-value blocks to help you.

Regroup if needed.

• 72

• 74

• 82

• 84

Complete the equation to show how to find 67 + 26 ​ using partial sums.

how many tens​ (a)  

How many ones​ (b)  

and the sum​ ​ (c)   ​

• 8
• 13
• 93
• 7
• 6
• 14
• 83
• 84
• 94