Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 3 Pretest regularly and improve your accuracy in solving questions.

Given numbers are 5 and 6.
When both are added it generates the result 11 as shown Below.

Given numbers are 9 and 9.
When both are added it generates the result 18 as shown Below.

Given numbers are 8 and 7.
When both are added it generates the result 15 as shown Below.

Given numbers are 6 and 8.
When both are added it generates the result 14 as shown Below.

Given numbers are 4 and 9.
When both are added it generates the result 13 as shown Below.

Given numbers are 7 and 5.
When both are added it generates the result 12 as shown Below.

Given numbers are 8 and 9.
When both are added it generates the result 17 as shown Below.

Given numbers are 8 and 8.
When both are added it generates the result 16 as shown Below.

Given numbers are 7 and 9.
When both are added it generates the result 16 as shown Below.

Given numbers are 8 and 5.
When both are added it generates the result 13 as shown Below.

Given numbers are 6 and 6.
When both are added it generates the result 12 as shown Below.

Given numbers are 7 and 4.
When both are added it generates the result 11 as shown Below.

Given numbers are 9 and 6.
When both are added it generates the result 15 as shown Below.

Given numbers are 7 and 6.
When both are added it generates the result 13 as shown Below.

Given numbers are 7 and 7.
When both are added it generates the result 14 as shown Below.

Given numbers are 11 and 8.
When both are added it generates the result 19 as shown Below.

Given numbers are 12 and 7.
When both are added it generates the result 19 as shown Below.

Given numbers are 11 and 9.
When both are added it generates the result 20 as shown Below.

Subtract.

Given numbers are 15 and 7.
When 7 is subtracted from the number 15 the result obtained is 8 as shown Below

Given numbers are 13 and 9.
When 9 is subtracted from the number 13 the result obtained is 4 as shown Below

Given numbers are 17 and 8.
When 8 is subtracted from the number 17 the result obtained is 9 as shown Below

Given numbers are 18 and 7.
When 7 is subtracted from the number 18 the result obtained is 11 as shown Below

Given numbers are 12 and 6.
When 6 is subtracted from the number 12 the result obtained is 6 as shown Below

Given numbers are 11 and 4.
When 4 is subtracted from the number 11 the result obtained is 7 as shown Below

Given numbers are 19 and 7.
When 7 is subtracted from the number 19 the result obtained is 12 as shown Below

Given numbers are 13 and 6.
When 6 is subtracted from the number 13 the result obtained is 7 as shown Below

Given numbers are 18 and 9.
When 9 is subtracted from the number 18 the result obtained is 9 as shown Below

Given numbers are 15 and 6.
When 6 is subtracted from the number 15 the result obtained is 9 as shown Below

Given numbers are 16 and 8.
When 8 is subtracted from the number 16 the result obtained is 8 as shown Below

Given numbers are 14 and 8.
When 8 is subtracted from the number 14 the result obtained is 6 as shown Below

Given numbers are 12 and 9.
When 9 is subtracted from the number 12 the result obtained is 3 as shown Below

Given numbers are 14 and 6.
When 6 is subtracted from the number 14 the result obtained is 8 as shown Below

Given numbers are 17 and 9.
When 9 is subtracted from the number 17 the result obtained is 8 as shown Below

Given numbers are 16 and 9.
When 9 is subtracted from the number 16 the result obtained is 7 as shown Below

Given numbers are 20 and 8.
When 8 is subtracted from the number 20 the result obtained is 12 as shown Below

Given numbers are 11 and 5.
When 5 is subtracted from the number 11 the result obtained is 6 as shown Below

Solve each problem.

There are 8 in a jar.
There are 9 on the table.
How many in all? _______
Number of Â  in a jarÂ  = 8
Number ofÂ  Â on the table = 9
Total Â present on both jar and Table = 8 + 9 = 17

There are 12 .
5 swim away.
How many are left? _______
Total number ofÂ  Â  present = 12
Number of Â Swim away = 5
Number of Â left = 12 – 5 = 7

There are 20 on the shelf.
9 roll off.
How many are still on the shelf? _______
Total number ofÂ  Â  Â present = 20
Number ofÂ  Â that are roll off = 9
Number of Â which are on the shell = 20 – 9 = 11

There are 6
There are
How many shoes in all? _______
Number ofÂ  Â  present = 6
Number ofÂ  present = 1
Total number of shoe present in all = 1

I have 15 .
8 are dirty.
How many are clean? _______