Question

test prep
fill in the bubble next to the correct answer
7 which number is 10 more than 47?
○ 37 ○ 48 ○ 57
8 which number is 10 less than 81?
○ 71 ○ 80 ○ 91
9 alex has 54 books. jane has 10 more books than alex. how many books does jane have?
○ 44 books ○ 55 books ○ 64 books
spiral review
solve. draw or write to show your thinking.
10 karen has 6 teddy bears. mandy has 3 teddy bears. kirsten has 4 teddy bears. how many teddy bears do they have in all?
solve each equation.
11 ___ = 41 + 5
12 60 + 8 = ___
13 ___ = 36 + 3
14 4 + 72 = ___
p146 one hundred forty-six

Explanation:

Step1: Add 10 to 47

$47 + 10 = 57$

Step2: Subtract 10 from 81

$81 - 10 = 71$

Step3: Add 10 to Alex's books

$54 + 10 = 64$

Step4: Sum all teddy bears

$6 + 3 + 4 = 13$

Step5: Calculate 41 plus 5

$41 + 5 = 46$

Step6: Calculate 60 plus 8

$60 + 8 = 68$

Step7: Calculate 36 plus 3

$36 + 3 = 39$

Step8: Calculate 4 plus 72

$4 + 72 = 76$

Answer:

1. 57
2. 71
3. 64 books
4. 13 teddy bears
5. 46
6. 68
7. 39
8. 76