Go through the Spectrum Math Grade 2 Answer Key Chapter 4 Pretest and get the proper assistance needed during your homework.

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Adding and Subtracting 2-Digit Numbers (With Renaming)

Adding 5 with 7 we get 12. So add 1 to the tens place

By adding 1, 4 and 3 we get 8.

By adding 6 with 9 we get 15. So add 1 to the tens place.

By adding 1 and 6 we get 7.

By adding 4 with 9 we get 13. So add 1 to the tens place.

By adding 1, 4 and 1 we get 6.

By adding 5 with 5 we get 10. So add 1 to the tens place.

By adding 1, 6 and 2 we get 9.

By adding 6 with 7 we get 13. So add 1 to the tens place.

By adding 1, 3 and 4 we get 8.

By adding 7 with 6 we get 13. So add 1 to the tens place.

By adding 1, 1 and 5 we get 7.

By adding 3 with 8 we get 11. So add 1 to the tens place.

By adding 1 and 3 we get 4.

By adding 9 with 8 we get 17. So add 1 to the tens place.

By adding 1, 2 and 2 we get 5.

By adding 7 with 5 we get 12. So add 1 to the tens place.

By adding 1, 5 and 1 we get 7.

By adding 6 with 9 we get 15. So add 1 to the tens place.

By adding 1, 7 and 1 we get 9.

By adding 4 with 7 we get 11. So add 1 to the tens place.

By adding 1, 6 and 2 we get 8.

By adding 6 with 5 we get 11. So add 1 to the tens place.

By adding 1 with 5 we get 6.

By adding 8 with 6 we get 14. So add 1 to the tens place.

By adding 1, 3 and 4 we get 8.

By adding 2 with 8 we get 10. So add 1 to the tens place.

By adding 1, 1 and 4 we get 6.

By adding 8 with 6 we get 14. So add 1 to the tens place.

By adding 1, 1 and 2 we get 4.

Subtract.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 93 and 65 is 28.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 54 and 49 is 5.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 23 and 5 is 18.

Subtract.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 63 and 57 is 6.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 80 and 42 is 38.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 33 and 16 is 17.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 52 and 24 is 28.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 85 and 37 is 48.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 40 and 18 is 22.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 77 and 19 we get 58.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 32 and 8 is 24.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 66 and 59 is 7.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 70 and 21 is 49.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 83 and 9 is 74.

Rename and subtract the ones:

Subtract the tens:

Therefore the difference of 94 and 67 is 27.

Solve each problem.

Anita picks â€˜45 .
She picks 61 .
How many more than does she pick? ________
Given that,
Anita picks 45 strawberries.
She picks 61 graphs.
Therefore more grapes than strawberries is 61 – 45 = 16.
There are 16 graphs more than strawberries.

JosÃ© picks 38 . He picks 35 .
He uses 2 and I to make a pie.
How many pieces of fruit does JosÃ© have left? ______
Given that,
Jose picks 38 oranges.
He picks 35 apples.
He uses 2 oranges and 1 apple.
The total number of fruits are 38 + 35 = 73.
Therefore 73 – 3 = 70.
Hence there are 70 pieces of fruits that Jose left.

Maxâ€™s bucket holds 72 .
Treyâ€™s bucket holds 44 .
How many more does Maxâ€™s bucket hold? _____
Given that,
Maxâ€™s bucket holds 72 apples.
Treyâ€™s bucket holds 44 apples.
The number of apples that Max’s bucket hold is 72 – 44 = 28.
Therefore the Max’s bucket hold 28 apples more.

Carol and Paula have 91 . 91 – 45 =
Paula picked â€˜45 .
How many did Carol pick? _______
Given that,
Carol and Paula have 91 Strawberries.
Paula picked 45 strawberries.
Therefore 91 – 45 = 46.
Therefore the Carol Pick 46 apples.

The farm stand has 95 for sale.
The farm stand sells 38 .
How many are left? ________